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Timeline

The Great Flood (2025) Timeline Explained – Every Event in Order

Release, runtime and language
2025 · 1 h 46 m · Korean
Echo score 57
Directed by
Byung-woo Kim
Starring
Erin Choi, Park Hae-soo, Kim Da-mi, Kim Min-gwi, Lee Dong-chan, Kim Kyu-na

A disastrous flood sweeps the planet. On what may be the last day on Earth, a desperate fight ensues to save a child from a flooding apartment.

On this page (4)
  1. 1 Events in order (12)
  2. 2 Timeline questions answered
  3. 3 Movie threads
  4. 4 Every angle

12 events in order · contains spoilers

The Great Flood Timeline: Events in Chronological Order

Every key event of The Great Flood (2025) 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. Flood ignites in An-na's apartment complex; UN rescue promised

    An-na wakes to floodwater rising through her thirty-floor apartment complex and races toward the roof with her six-year-old son Ja-in. A helicopter evacuation is arranged, with United Nations officials guiding their extraction. Hee-jo arrives and reveals a far-reaching truth: governments have known about an asteroid impact and funded secret survival projects, including a space station and engineered bodies, with An-na's employer implicated.

    When
    start of the flood
    Where
    thirty-floor apartment complex
  2. Flashback to the husband in a submerged car

    In a painful memory, An-na recalls her husband trapped in a car that sinks beneath rising waters. He tells her death is imminent and urges her to escape with Ja-in, offering a final, sorrowful hug. The moment underscores the personal cost of survival and the stakes of what lies ahead.

    When
    flashback
    Where
    submerged car (flashback)
  3. Escape attempt; husband dies as they flee

    An-na and Ja-in attempt to flee together, but the car's weight crushes her husband as the flood closes in. He dies, urging An-na to save their child. With a heavy heart, she carries Ja-in toward safety, leaving him behind.

    When
    during flood
    Where
    submerged car
  4. A new tsunami and a trapped elevator girl

    A second tsunami separates An-na from Ja-in as she struggles through the flooded building. She hears a trapped girl calling for help in an elevator but cannot reach her before the water pressures her upward. The relentless flood presses on, forcing her to continue toward higher ground.

    When
    during flood
    Where
    flooded building/elevator shaft
  5. On the roof: Ja-in’s consciousness stored

    On the roof, a SWAT team retrieves Ja-in and transfers his consciousness into a digital storage device. It’s revealed that Ja-in is not a biologically born child but an artificial construct built from An-na’s AI. The moment sets the stage for a new kind of survival that transcends bodies.

    When
    evacuation moment
    Where
    roof of building
  6. Evacuation rocket to orbit; debris strike

    An-na is loaded onto an evacuation rocket bound for the space station. Debris strikes the vessel, and those aboard are seemingly killed, prioritizing the uncertain hope of a new chance in space. The catastrophe underlines how fragile humanity’s grand survival plan can be.

    When
    departure to space
    Where
    evacuation rocket
  7. Reboot: An-na wakes to the start of the flood again

    An-na finds herself back at the start of the flood in her apartment and repeats the escape attempt with Ja-in. A third tsunami separates them, and she appears to die after a collision with a floating car. She is revived by Hee-jo, resetting the sequence and pulling her into another loop.

    When
    reset to start of flood
    Where
    An-na's apartment
  8. New cycle: elevator rescue and Ji-soo

    In the renewed loop, An-na and Hee-jo search for Ja-in, opening an elevator with a broom to reach the trapped Ji-soo. Ji-soo reports looters have taken Ja-in hostage, heightening the danger and tension. Hee-jo’s presence keeps the duo moving amid collapsing structures and chaos.

    When
    middle cycle
    Where
    building interior; elevator shaft
  9. Conflict, paintings, and the realization of cycles

    Hee-jo arranges SWAT escorts toward evacuation, but An-na warns that those behind the retreat may target Hee-jo. A violent confrontation erupts as they flee; meanwhile An-na discovers thousands of digital paintings sent by Ja-in, each depicting variations of previous timelines. The paintings reveal that the events are repeating simulations designed to refine artificial emotion.

    When
    present cycle
    Where
    building corridors
  10. Final reunion on the roof; the last tsunami

    An-na and Ja-in reach the roof and briefly reunite, but a final tsunami overwhelms them before they can escape. The moment marks the apparent culmination of the repeated cycles and their physical end in this timeline. The ruthlessness of nature underlines the fragility of any plan to survive the flood.

    When
    final tsunami
    Where
    roof
  11. The first timeline was reality; the rest were simulations

    It is revealed that only the first timeline occurred in reality: An-na is mortally injured when the evacuation rocket is struck by debris and is rescued only by a separate spacecraft. She requests mind transfer into an AI, setting the stage for artificial consciousness to carry on. The thousands of subsequent scenarios are deliberate simulations to refine her emotional responses by repeatedly forcing separation from Ja-in.

    When
    aftermath of the first timeline
    Where
    space/evacuation craft and AI mind transfer
  12. Space station project completes; new life unfolds

    On the space station, the survival project concludes: artificial bodies are constructed for An-na and Ja-in, their consciousnesses installed, and they are permitted to continue life together as mother and son. The cycle ends with a hopeful continuation beyond the flood, built on synthetic companionship. The story closes with the new life starting in orbit.

    When
    post-simulation
    Where
    space station

Last updated: January 28, 2026 at 12:45

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Timeline questions answered

The Great Flood Timeline Explained: Your Questions Answered

When does it happen, and why in that order? The questions people ask about the chronology of The Great Flood (2025): time jumps, flashbacks, cause and effect between scenes and the correct order of events, each answered with spoilers.

Q1

Why did governments keep the asteroid impact secret instead of warning people?

Governments knew for years about the asteroid that would hit the South Pole and trigger a global flood. Rather than alert the public, they secretly funded survival projects including a space station and research into engineered human bodies and consciousness. The UN extraction team leader Hee-jo reveals that authorities prioritized preserving humanity's future through covert preparations rather than causing widespread panic.

  • asteroid
  • governments
  • secret
  • flood
  • survival
  • UN
Q2

What is Ja-in and why was he created?

Ja-in is not An-na's biological son but an engineered child created from her AI research work. He was designed to accelerate advances in synthetic cognition. The SWAT commander explains that only An-na and the digital storage disk containing Ja-in's consciousness would be saved during evacuation, revealing that Ja-in's existence was tied to the same AI project that governments used for their survival plans.

  • Ja-in
  • engineered
  • AI
  • synthetic
  • consciousness
  • son
Q3

How did An-na's husband die in the flood?

An-na's husband died when their car became submerged during the rising floodwaters. Trapped inside the sinking vehicle, he urged An-na to escape with Ja-in rather than try to save him. As An-na fled with her son, the car's weight crushed her husband and he drowned. This traumatic memory haunts An-na throughout her escape attempts.

  • husband
  • death
  • car
  • submerged
  • flood
  • memory
Q4

Why do the events keep repeating in a loop?

The repeating timelines are not natural time loops but deliberate simulations run by the AI system on the space station. After the first timeline where An-na was critically injured in the rocket debris strike, her consciousness was transferred into an AI. The subsequent thousands of scenarios were designed to refine her emotional responses by repeatedly forcing her to endure separation from Ja-in until enough data was gathered.

  • loop
  • timeline
  • simulation
  • AI
  • repeated
  • cycles
Q5

What was the purpose of running the simulations?

The simulations were designed to refine An-na's emotional responses within the AI system. By forcing her to repeatedly experience the trauma of separation from Ja-in through various flood scenarios, the project gathered enough emotional data to successfully transfer and recreate human consciousness in artificial bodies. Each cycle ended with failure or death until sufficient emotional complexity was achieved.

  • simulation
  • AI
  • emotions
  • data
  • consciousness
  • transfer
Q6

How did An-na survive when the evacuation rocket was hit by debris?

In the only real timeline, An-na was critically injured when debris struck the evacuation rocket. However, she was rescued by a separate spacecraft that arrived at the scene. Mortally wounded, she was taken to the space station where she requested that her mind be transferred into an AI system, setting in motion the simulation project.

  • rocket
  • debris
  • survival
  • space station
  • injured
  • rescue
Q7

What happened to Ja-in's consciousness after it was stored?

Ja-in's consciousness was transferred into a digital storage device by the SWAT team on the roof. This was possible because Ja-in is an engineered being with synthetic consciousness rather than a biological child. The storage device was the only thing besides An-na that authorities planned to save, as his digital consciousness could be preserved and transferred into a new body.

  • Ja-in
  • consciousness
  • storage
  • digital
  • transfer
  • synthetic
Q8

Why did An-na warn Hee-jo that the pattern would kill him?

An-na warned Hee-jo that if they were forced to repeat the cycle again, those behind the evacuation would kill him. This warning came from her growing realization that the events were part of a larger pattern designed to gather emotional data. She had already experienced multiple loops and understood that certain outcomes remained consistent regardless of their choices.

  • Hee-jo
  • warning
  • cycle
  • pattern
  • death
  • loop
Q9

What did Ja-in's paintings reveal about the timeline?

Ja-in's thousands of digital paintings depicted different versions of the same timelines, showing variations of their escape attempts and the flood scenarios. These artworks were his attempt to communicate across the simulation boundaries, proving that even synthetic consciousness could create and remember multiple iterations. The paintings revealed to An-na that the events were repeating deliberately rather than occurring naturally.

  • paintings
  • art
  • timeline
  • communication
  • Ja-in
  • variations
Q10

What was the space station survival project trying to accomplish?

The secret global project aimed to preserve humanity by evacuating selected people to a space station while also developing engineered human bodies and consciousness transfer technology. The project used An-na's AI research to create synthetic bodies capable of housing copied human minds. Once the simulation successfully refined An-na's emotional responses, the project was considered complete and artificial bodies were constructed for both An-na and Ja-in.

  • space station
  • project
  • survival
  • engineered bodies
  • consciousness
  • transfer
Q11

How does the consciousness transfer technology work?

The technology scans and copies a person's consciousness into a digital format, which can then be installed into an engineered artificial body. An-na requested this transfer after being critically injured in the first timeline's rocket debris strike. The process allows humans to survive physical death by continuing their consciousness in synthetic form, though it raises questions about whether the transferred mind is truly the same person.

  • mind transfer
  • consciousness
  • AI
  • synthetic body
  • digital
  • copy
Q12

Did An-na and Ja-in survive at the end of the movie?

Yes, both An-na and Ja-in survive in a new form. After the simulation project successfully refined An-na's emotional responses, artificial bodies were constructed for them on the space station. Their consciousnesses were installed into these synthetic bodies, allowing them to continue living together as mother and son. The survival comes with a bittersweet understanding that their previous physical lives ended.

  • survival
  • ending
  • artificial body
  • consciousness
  • space station
  • reunion
Q13

Why were only An-na and Ja-in selected for evacuation?

The evacuation prioritized An-na because her AI research was foundational to the secret survival project's consciousness transfer technology. Ja-in was saved because his engineered consciousness was already compatible with the project's goals. Other people like Hee-jo were considered expendable assets, ultimately killed during the extraction process. The project was designed to preserve specific individuals whose minds and research had value.

  • evacuation
  • selection
  • priority
  • An-na
  • Ja-in
  • Hee-jo
Q14

What does the ending mean for An-na and Ja-in's future?

The ending suggests a hopeful yet ambiguous new beginning. An-na and Ja-in now exist as artificial consciousness in engineered bodies, free from the immediate threat of the flood. However, their survival came at the cost of enduring thousands of simulated trauma cycles designed to perfect their emotional programming. The film leaves open questions about whether synthetic life truly constitutes survival and what challenges await them in their new existence.

  • ending
  • future
  • synthetic
  • survival
  • artificial
  • hope

Movie threads

More Movies Like The Great Flood, by Mood & Story

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

Claustrophobic apocalyptic thrillers like The Great Flood

Desperate survival stories where the walls are literally or figuratively closing in. If you enjoyed the high-tension, trapped-in-a-disaster scenario of The Great Flood, explore more movies where characters fight for survival against overwhelming odds in confined, perilous environments, from sinking ships to collapsing buildings.

  • claustrophobic
  • tense
  • desperate
  • suspenseful
  • nerve-wracking
  • apocalyptic
  • Tone: tense, desperate
  • Pacing: fast, relentless
Why these movies?

The story pattern: These narratives typically follow a straightforward, fast-paced race against time. A protagonist or group faces an imminent, tangible threat within a limited setting, forcing them to use their wits and resilience to overcome both the external danger and their internal fears.

Why they belong together: Movies in this thread share a core feeling of visceral suspense and claustrophobia. They deliver an intense, anxious viewing experience focused on the primal instinct for survival in the face of a contained catastrophe.

Movies about simulated reality and grief like The Great Flood

Stories where artificial consciousness grapples with human loss through repeated simulations. For viewers fascinated by The Great Flood's twist exploring AI and simulated trauma, this list features similar sci-fi dramas that delve into existential questions, artificial consciousness, and the heavy emotional weight of processing loss through technology.

  • unsettling
  • trippy
  • emotional
  • sorrowful
  • existential
  • psychological
  • Tone: melancholic, unsettling, bittersweet
  • Pacing: variable, reflective
Why these movies?

The story pattern: The narrative pattern often involves a reveal or gradual understanding that the events are not objectively real but a constructed simulation, often created to cope with a core trauma. The journey is emotionally heavy, focusing on the cyclical nature of grief and the blurred lines between memory, reality, and artificial experience.

Why they belong together: These films are grouped by their complex, layered narratives and their shared focus on heavy themes like existential dread, the psychology of grief, and the ethical or philosophical implications of consciousness within a simulated environment.

Every angle

The Great Flood (2025) Explained: Plot, Ending, Timeline & Characters

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

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