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Timeline

Deranged (2012) Timeline Explained – Every Event in Order

Release, runtime and language
2012 · 109 mins · Korean
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Directed by
Park Jung-woo
Starring
Jeon Kuk-hwan, Choi Jung-woo, Jeong In-gi, Moon Jeong-hee, Jo Han-chul, Kim Myung-min

A mysterious phenomenon grips a small town as residents uncontrollably binge eat and experience intense thirst. Driven to madness in their desperate search for water, they find themselves unable to resist a primal urge. This unsettling behavior stems from a parasitic brainwashing, turning the community against itself in a terrifying struggle for survival.

On this page (6)
  1. 1 Where to watch
  2. 2 Events in order (14)
  3. 3 Timeline questions answered
  4. 4 Movie threads
  5. 5 Categories
  6. 6 Every angle
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14 events in order · contains spoilers

Deranged Timeline: Events in Chronological Order

Every key event of Deranged (2012) in order, scene by scene, with when and where it takes place. Use it to untangle flashbacks, time jumps and parallel storylines, to refresh your memory before the sequel or to find the exact scene you are thinking of.

  1. Jae-hyuk's financial collapse and new role

    Jae-hyuk, a former biochemistry professor, loses his life savings and job after a bad stock investment advised by his younger brother, Jae-pil. With mounting pressure, he shifts into pharmaceutical sales to support his family. The personal crisis sets the stage for his involvement in a national medical emergency.

    When
    Pre-outbreak
    Where
    Seoul
  2. First signs: bodies in the Han River and the Yeongasi revealed

    Dead bodies appear in the Han River, shocking the public. Authorities identify the culprit as Yeongasi, a brain-controlling parasite that mutates to infect humans. Infected individuals exhibit hunger and thirst as the worms mature, driving some to jump into the river to release the parasites.

    When
    Early outbreak
    Where
    Han River, Seoul
  3. Nationwide outbreak grows as infection spreads

    Across the country, bodies are found with signs of malnutrition as more victims fall ill. Parasites escape from the bodies when they are in water, revealing their mutated ability to infect humans. Officials struggle to explain the strange deaths as the public grows increasingly fearful.

    When
    Early outbreak progression
    Where
    Nationwide, South Korea
  4. Public health panic and failed treatments

    Public alarm spikes as hospitals fill with patients and pharmacies stockpile anthelmintics. Early cures prove ineffective, and attempts to treat infected individuals cause more pain and suffering. The crisis deepens as more people jump into rivers in search of relief.

    When
    Crisis escalation
    Where
    Seoul and nationwide
  5. Windazole emerges as a potential cure

    A patient reports being cured by Windazole, turning the drug into a beacon of hope. Demand explodes while supplies run dry, and officials urge production to meet the surge. ChoA Pharmaceuticals is pressured to increase output, facing scrutiny over its manufacturing after the company's sale.

    When
    Crisis peak
    Where
    Seoul; ChoA Pharmaceuticals
  6. Manufacturing collapse and secrecy

    Following an acquisition by an investment company, ChoA struggles with production delays and mounting stock concerns. The government seeks to force disclosure of the drug's composition, but the CEO cites stockholders' refusal and legal limits. The nation spirals as people clamour for any hint of a cure.

    When
    Crisis
    Where
    ChoA Pharmaceuticals
  7. Jae-pil's investigation uncovers planned manipulation

    Jae-pil digs into ChoA's past and locates a former researcher willing to talk. The confessor explains that the company’s team pursued the parasite to aid brain research but instead orchestrated a stock-manipulation scheme. The scheme released the parasite to boost profits during the tourist season.

    When
    Investigation phase
    Where
    ChoA Pharmaceuticals labs
  8. Storage confrontation and fire

    The investigators corner the storage facility to seize remaining doses, but a lockout and fire trap them inside. They survive the blaze, yet the insider who aided them is killed. The researcher who had guided them is revealed to have been the project head and a close ally of the CEO.

    When
    Mid-crisis
    Where
    Storage facility
  9. Head of research confirmed as mastermind; overseas escape

    The murdered insider is revealed to be the head of the team who kept the rest of the drugs, and he was a friend of the CEO. Most other researchers have already fled overseas, leaving the CEO to push the plan to the end. The revelation confirms the conspiracy existed from the start.

    When
    Revelation
    Where
    Storage/Corporate front
  10. Government moves against the scam; arrest of the CEO

    The Prime Minister contemplates a buyout as a means to access the drug’s recipe, but investigators reveal the entire scam first. The government shuns the buyout, and the CEO is arrested in a swift crackdown. The moment marks the turning point from corporate greed to public-interest justice.

    When
    Resolution
    Where
    South Korean government offices; arrest scene
  11. Jae-hyuk engineers a new drug with the same active ingredient

    Leveraging his chemistry knowledge, Jae-hyuk realizes he can recreate a drug with the same active compound as Windazole to treat the infected. He shares the idea with allies and begins mobilizing labs to produce a generic solution. The plan shifts from drama to a race against time.

    When
    Resolution
    Where
    Laboratories
  12. Pharmaceuticals race to mass-produce a cure

    Other companies join the effort, rapidly developing an effective treatment. Hospitals begin to stock the new drug and patients recover as supply improves. The crisis eases as the cure becomes accessible to the public.

    When
    Resolution
    Where
    South Korea
  13. Family reunion and cautious optimism

    Jae-hyuk and his family spend time at an amusement park, savoring a moment of normalcy after the ordeal. He jokes about taking an overseas vacation and stocking up on drugstores, while his wife remains wary of lingering threats. The final scene hints at a global reach of Yeongasi.

    When
    Ending
    Where
    Seoul amusement park
  14. Global implication remains uncertain

    The film closes by implying that Yeongasi may threaten other countries, leaving the audience with a chilling sense of the parasite’s reach. The final image suggests the danger is not contained to Korea, leaving a looming sense of a worldwide threat.

    When
    Ending
    Where
    New York Harbor (and beyond)

Last updated: October 09, 2025 at 16:05

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Timeline questions answered

Deranged Timeline Explained: Your Questions Answered

When does it happen, and why in that order? The questions people ask about the chronology of Deranged (2012): time jumps, flashbacks, cause and effect between scenes and the correct order of events, each answered with spoilers.

Q1

Why did ChoA Pharmaceuticals release the Yeongasi parasite?

ChoA Pharmaceuticals deliberately released the Yeongasi parasite as part of a stock manipulation scheme. Company workers had stockpiled thousands of Windazole packets before the outbreak, then released the parasite to spark a nationwide panic. The goal was to drive up demand and inflate Windazole prices for massive profit.

Foreshadowing: Early in the film, the public health crisis coincides with unusual pressure on Windazole supplies, hinting at pre-planning.

  • choa pharmaceuticals
  • yeongasi
  • stock manipulation
  • windazole
  • conspiracy
Q2

How does the Yeongasi parasite control its victims?

Yeongasi is a mutated horsehair worm that normally lives in insects but evolved to infect humans. Once mature, the parasite controls the brain, causing intense hunger and insatiable thirst. This drives infected individuals to leap into water, where the worms emerge to find new hosts.

Foreshadowing: The first bodies found in the Han River show signs of extreme starvation despite apparently having eaten, hinting at an internal cause.

  • yeongasi
  • parasite
  • brain control
  • hunger
  • thirst
  • horsehair worm
Q3

Why did Jae-pil convince Jae-hyuk to invest in stocks?

Jae-pil, Jae-hyuk's younger brother, urged Jae-hyuk to invest in the stock market, promising high returns. Jae-hyuk, a former biochemistry professor, trusted his brother's advice and lost his life savings when the investment failed, forcing him to leave academia and become a pharmaceutical sales representative.

Foreshadowing: The film opens with Jae-hyuk's diminished status as a sales rep, establishing the personal financial ruin that sets the story in motion.

  • jae-pil
  • jae-hyuk
  • stock investment
  • financial ruin
  • brothers
Q4

What makes Windazole the only effective treatment?

Windazole contains a specific active ingredient that can neutralize the Yeongasi parasite in infected humans. When a patient claims to be cured by Windazole, it becomes the nation's only hope. However, ChoA Pharmaceuticals cannot meet demand due to production issues after a company takeover, and the CEO refuses to disclose the formula to protect stockholder interests.

Foreshadowing: The initial panic focuses on finding any available Windazole, while officials pressure the company to increase supply.

  • windazole
  • cure
  • treatment
  • active ingredient
  • choa pharmaceuticals
Q5

Who killed the informant at the storage facility?

The informant was killed by the researcher who had initially claimed Windazole cured him. This researcher was actually the head of the original ChoA research team and a close ally of the CEO. He remained behind to oversee the plan's execution while other researchers fled overseas.

Foreshadowing: The researcher who guided Jae-hyuk and Jae-pil shows unusual knowledge of the operation, raising suspicion about his true allegiance.

  • informant
  • storage facility
  • researcher
  • murder
  • choa CEO
Q6

How does Jae-hyuk create a cure despite not having Windazole?

Jae-hyuk, who holds a doctorate in biochemistry, realizes he can recreate a drug with the same active ingredient as Windazole. His scientific background allows him to identify the compound's molecular structure and mobilize other laboratories to produce a generic version, enabling mass treatment of infected patients.

Foreshadowing: Jae-hyuk's fall from academia to pharmaceutical sales earlier in the film establishes his chemistry expertise for this critical moment.

  • jaehyuk
  • biochemistry
  • generic drug
  • cure
  • active ingredient
  • laboratory
Q7

What does the body floating in New York Harbor at the end mean?

The body drifting in New York Harbor suggests that Yeongasi has spread beyond South Korea to other countries. The parasite may have already reached the United States, implying the threat is global and not contained, leaving the story with an ominous, unresolved conclusion.

Foreshadowing: Earlier scenes show the parasites spreading beyond riverbanks into homes, indicating the infection can travel through human hosts to new locations.

  • new york harbor
  • ending
  • global threat
  • parasite spread
  • sequel implication
Q8

Why did standard anthelmintics fail against the Yeongasi parasite?

Standard anthelmintics failed because the Yeongasi parasite had mutated to resist conventional treatments. When doctors attempted to use these drugs, they caused extreme pain and加速ated the parasites' emergence, leading to more deaths rather than cures.

Foreshadowing: Early medical responses fail publicly, creating panic and highlighting the urgency for a specialized solution like Windazole.

  • anthelmintics
  • treatment failure
  • drug resistance
  • medical crisis
Q9

Why did the South Korean government struggle to contain the outbreak?

The government struggled because the outbreak was deliberately engineered rather than natural. Officials faced a fast-spreading parasite they didn't understand, compounded by corporate obstruction, ChoA refused to share Windazole's formula. Additionally, the parasite spread from rivers into homes and bathtubs, making containment nearly impossible.

Foreshadowing: News coverage shows officials scrambling for answers while bodies accumulate, reflecting institutional helplessness against the crisis.

  • government
  • containment
  • outbreak
  • corporate obstruction
  • public health
Q10

How is the CEO of ChoA Pharmaceuticals finally arrested?

The Prime Minister initially considers buying ChoA to obtain the drug formula, but investigators reveal the entire stock manipulation scheme first. Once the scam is exposed, the government abandons the buyout and orders the CEO's arrest, ending corporate control over the cure.

Foreshadowing: Throughout the film, the CEO's refusal to disclose the recipe hints at deeper corruption beyond simple corporate secrecy.

  • ceo arrest
  • prime minister
  • stock manipulation
  • government crackdown
  • choa
Q11

What is the significance of the family visiting the amusement park?

The amusement park scene represents a brief moment of normalcy and hope after the crisis. Jae-hyuk jokes about overseas travel and stockpiling medicine, showing optimism about the future. However, his wife's wariness and the New York Harbor revelation temper this hope with lingering fear.

Foreshadowing: The family's earlier struggles and Jae-hyuk's financial ruin make this moment of simple joy meaningful as a resolution to their personal story.

  • amusement park
  • family
  • hope
  • resolution
  • ending
  • normalcy

Movie threads

More Movies Like Deranged, by Mood & Story

Curated lists built around what makes Deranged tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Movies about societal collapse from a parasitic madness like Deranged

Stories where a mysterious outbreak causes a community to violently unravel. If you liked the paranoid unraveling in Deranged, explore more movies where a mysterious contagion or parasite drives a community to madness. These stories feature desperate survival, frantic scientific investigation, and the chilling spectacle of society collapsing from within.

  • paranoid
  • gripping
  • desperate
  • oppressive
  • unsettling
  • chaotic
  • Tone: tense, desperate, unsettling
  • Pacing: fast, relentless
Why these movies?

The story pattern: These narratives typically begin with a strange, localized phenomenon that quickly escalates into a public health crisis. The plot involves uncovering the cause—often a corporate or governmental conspiracy—while characters fight for survival against both the infected and the collapsing infrastructure around them. The journey is one of desperate investigation and grim revelations.

Why they belong together: Movies in this thread share a high-intensity, fast-paced structure built around a biological threat. They create a cohesive experience through their oppressive mood, focus on scientific mystery, and the unsettling theme of losing control to a primal urge, making the recommendation set feel tightly connected.

Unsettling medical conspiracy thrillers similar to Deranged

Gripping stories where a medical discovery hides a terrifying corporate secret. Fans of Deranged will appreciate these similar medical thrillers where a scientific phenomenon masks a dark corporate or governmental plot. These movies share a fast pace, high stakes, and a biting critique of institutions that prioritize profit over people, leading to bittersweet or bleak conclusions.

  • gripping
  • paranoid
  • critical
  • unsettling
  • investigative
  • desperate
  • Tone: tense, bleak, critical
  • Pacing: fast, investigative
Why these movies?

The story pattern: The narrative pattern follows protagonists—often outsiders or experts—piecing together clues that connect strange events to a deliberate, hidden agenda. The conflict involves evading the conspirators while trying to expose or stop them, culminating in a confrontation that reveals the full, horrifying scope of the plot, often with globally ominous implications.

Why they belong together: These films are grouped by their shared mood of paranoid investigation, their focus on the theme of scientific hubris and corporate malfeasance, and their consistent tone of high-stakes tension. The similar pacing and emotional weight ensure a coherent viewing experience for users seeking this specific vibe.

Categories

Movie Lists Featuring Deranged

Deranged appears in these hand-built movie categories. Each one groups movies by a specific mood, theme or story type, with their plot summaries and endings explained.

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Every angle

Deranged (2012) Explained: Plot, Timeline & Characters

Everything about Deranged in one place: what happens in the plot summary, the timeline in chronological order, the characters and meaning and a spoiler-free summary. What's After the Movie adds the cast, box office and post-credit scenes.

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