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The Tag-Along: Devil Fish (2018) movie poster

Characters & Themes

The Tag-Along: Devil Fish (2018) Characters, Setting & Themes Explained

Release, runtime and language
2018 · 115 mins · Chinese
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Directed by
David Chuang
Starring
Vivian Hsu, Francesca Kao, Rainie Yang, Lung Siu Wa, Tiffany Hsu Wei-Ning, Chih-Hsuan Wu

During an exorcism attempt to rid a man of demonic possession, two students filming the event inadvertently unleash a dangerous devil fish demon. Now, the students must team up with the spirit medium to recapture the creature and return it to its hellish realm before it can wreak havoc on the world.

On this page (8)
  1. 1 Where to watch
  2. 2 Characters explained (5)
  3. 3 Where & when it takes place
  4. 4 Themes & meaning (3)
  5. 5 Character & meaning questions
  6. 6 Movie threads
  7. 7 Movies like The Tag-Along: Devil Fish
  8. 8 Every angle
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5 main characters · contains spoilers

The Tag-Along: Devil Fish Characters Explained: Who Is Who

The main characters of The Tag-Along: Devil Fish (2018), heroes and villains: what drives them, how they change over the course of the story and what each of them reveals about the film's bigger ideas.

  • Lin Meihua

    played by Francesca Kao

    Meihua is the mother whose daughter becomes a vessel for the demon. She grapples with fear and seeks answers within Taiwan’s mythic traditions, driving the group toward temple rites and exorcism. Her resolve tests family bonds as the haunting intensifies.

    • 🎭 Drama
    • 🧬 Family
    • 🕯️ Supernatural
  • Li Shu-fen

    played by Rainie Yang

    The young boy's mother who, along with others, faces harassment from malignant spirits unleashed by the fish. She acts as a stabilizing presence for the group, offering care and strength in the face of terror.

    • 👪 Family
    • 🧭 Fear
    • 🗺️ Legends
  • Aron

    played by Lung Siu Wa

    The young boy central to the haunting; his experiences become a focal point for the investigation into the demon’s origins. His vulnerability highlights the human cost of the supernatural conflict.

    • 🧒 Youth
    • 🌀 Haunting
    • 🏚️ Mystery
  • Shen Yi-Jun

    played by Tiffany Hsu Wei-Ning

    A temple priest who confronts the demon with ritual knowledge. Yi-Jun acts as a bridge between traditional beliefs and the escalating supernatural threat, guiding the team through exorcism rites.

    • 🙏 Priest
    • 🧭 Ritual
    • 🔮 Exorcism
  • Lin Zhicheng

    played by Rexen Cheng Jen-Shuo

    The grandfather figure and master shaman who embodies the ancestral power passed down through generations. His presence anchors the family’s struggle and foreshadows the hero’s path in the lineage.

    • 🧙‍♂️ Shaman
    • 🧭 Ancestry
    • 🗿 Power

Last updated: October 01, 2025 at 12:36

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Setting

Where and When Does The Tag-Along: Devil Fish Take Place?

The setting of The Tag-Along: Devil Fish (2018): the year and time period, the places and locations, and how they shape the characters, the mood and the tension of the story.

Time period

Location

Central Taiwan, Tiger Temple

The story is set in central Taiwan, grounding the legend in real-world locales tied to local myths. It intertwines everyday life with supernatural rites observed at temples. The Tiger Temple and its associated sites anchor the haunting, linking modern events to ancient beliefs.

  • 🗺️ Central Taiwan
  • 🧭 Legend & folklore
  • 🏮 Temple setting

Last updated: October 01, 2025 at 12:36

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3 major themes

The Tag-Along: Devil Fish Meaning: Themes & Message Explained

What is The Tag-Along: Devil Fish (2018) really about? The emotional, social and philosophical themes the film keeps returning to, its symbolism and the message beneath the surface.

  • Folklore

    The film leans on a famous Taiwanese folktale to frame the events, showing how a local legend shapes fear and decisions. It ties a well-known ghost story to a broader supernatural world. The prequel aspect expands the origins of the fish-faced demon within Taiwan's oral traditions.

  • Possession & Vengeance

    A disfigured, vengeful spirit emerges from a cursed encounter with the fish, attacking families and communities. The possession of Mei-Hua’s daughter serves as the core catalyst for escalating hauntings. The narrative explores how guilt and anger can fuel a malevolent force across generations.

  • Shamanic Tradition

    The film foregrounds master shamans and temple rites as tools against a powerful demon. It shows lineage-based knowledge, ritual sacrifice, and spiritual guardians (like the Tiger Lord) as means to confront and slow the haunting. The coming-of-age arc for Lin Chun-Kai ties personal growth to ancestral power and responsibility.

Last updated: October 01, 2025 at 12:36

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Character & theme questions

The Tag-Along: Devil Fish Characters & Meaning: Your Questions Answered

The questions people ask about The Tag-Along: Devil Fish (2018): who the characters really are, their relationships, what the symbols mean, where it takes place and what the movie is really about. Each answer contains spoilers.

Q1

How is Taiwanese folklore used in the movie?

The film is based on a famous Taiwanese folktale about the fish-faced demon, connecting a well-known ghost story to a broader supernatural world. The legend is grounded in real-world locales like Tiger Temple in central Taiwan, where everyday life intertwines with supernatural rites observed at temples.

  • taiwanese folklore
  • devil fish legend
  • fish-faced demon
  • tiger temple
Q2

Where is the movie set?

The story takes place in central Taiwan, specifically at Tiger Temple and surrounding areas. This setting anchors the haunting events in real-world locales tied to local myths, linking modern events to ancient beliefs.

  • central taiwan
  • tiger temple
  • setting
  • location
Q3

What role do shamans and temple rites play in the story?

Master shamans and temple rites are the primary tools against the powerful demon. The film showcases lineage-based knowledge, ritual sacrifice, and spiritual guardians like the Tiger Lord as means to confront the haunting. Lin Zhicheng embodies this ancestral power passed down through generations.

  • shamans
  • temple rites
  • exorcism
  • lin zhicheng
  • spiritual guardians
Q4

Who is Lin Meihua and what drives her?

Lin Meihua is the mother whose daughter becomes a vessel for the demon. Driven by fear and desperation, she seeks answers within Taiwan's mythic traditions, pushing the group toward temple rites and exorcism. Her resolve is tested as the haunting intensifies and family bonds are pushed to the limit.

  • lin meihua
  • mother
  • possessed daughter
  • motivation
Q5

What does the possession and vengeance theme explore?

A disfigured, vengeful spirit emerges from a cursed encounter with the fish-faced demon, attacking families and communities. The possession of Mei-Hua's daughter serves as the core catalyst for escalating hauntings. The narrative explores how guilt and anger can fuel a malevolent force across generations.

  • possession
  • vengeance
  • spirit
  • demonic entity
  • generational curse
Q6

Who is Lin Zhicheng and what is his significance?

Lin Zhicheng is the grandfather figure and master shaman who embodies the ancestral power passed down through his lineage. His presence anchors the family's struggle against the demon and foreshadows the hero's path that younger generations will follow.

  • lin zhicheng
  • grandfather
  • master shaman
  • lineage
  • ancestral power
Q7

What is Shen Yi-Jun's role in the movie?

Shen Yi-Jun is a temple priest who confronts the demon using ritual knowledge. He acts as a bridge between traditional beliefs and the escalating supernatural threat, guiding the team through exorcism rites and connecting modern characters to ancient practices.

  • shen yijun
  • temple priest
  • exorcism
  • ritual knowledge
Q8

What is the devil fish demon in Taiwanese legend?

The devil fish is a fish-faced demon from Taiwanese oral traditions. This prequel expands the origins of the creature within Taiwan's folklore, showing how a local legend shapes fear and decisions throughout the story.

  • devil fish
  • fish demon
  • taiwanese legend
  • demon origins
Q9

Who is Aron and why is he important?

Aron is the young boy central to the haunting; his experiences become a focal point for the investigation into the demon's origins. His vulnerability highlights the human cost of the supernatural conflict and connects the adult characters to the generational nature of the threat.

  • aron
  • young boy
  • haunted child
  • central character
Q10

Who is Li Shu-fen and what does she represent?

Li Shu-fen is the young boy's mother who, along with others, faces harassment from malignant spirits unleashed by the fish. She acts as a stabilizing presence for the group, offering care and strength in the face of terror.

  • li shufen
  • mother
  • supporting character
  • stability
Q11

How does the coming-of-age theme connect to shamanic tradition?

The coming-of-age arc for Lin Chun-Kai ties personal growth to ancestral power and responsibility. The film shows how younger characters must embrace traditional knowledge to confront modern supernatural threats, linking generational wisdom to individual development.

  • coming of age
  • lin chun-kai
  • growth
  • ancestral responsibility
Q12

What makes this a generational horror story?

The film layers in a backstory involving a wealthy family's tragedy and connects to a broader universe of legends. The vengeful spirit born from harsh treatment and untimely death spans generations, requiring attention to the generational threads that connect past events to present-day haunting.

  • generational
  • family tragedy
  • legacy
  • supernatural heritage

Movie threads

More Movies Like The Tag-Along: Devil Fish, by Mood & Story

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

Folklore Horror Movies like The Tag-Along: Devil Fish

Modern characters confronting ancient evils rooted in local legends and superstitions. If you liked The Tag-Along: Devil Fish, explore more movies where modern characters face supernatural threats based on local folklore, urban legends, and generational curses. This collection features horror films with a strong sense of cultural dread and ancient evil.

  • folk horror
  • eerie
  • atmospheric
  • supernatural
  • dreadful
  • ritualistic
  • Tone: dark, oppressive, dreadful
  • Pacing: steady, lore-building
Why these movies?

The story pattern: The narrative often begins with characters inadvertently disturbing a long-dormant entity tied to a local myth or a family's tragic history. The story unfolds by revealing the origins of the curse while the characters desperately seek a way to contain or appease the vengeful spirit or demon, often through rituals or by uncovering hidden truths.

Why they belong together: These movies are grouped by their shared foundation in specific cultural or folkloric horror, creating a unique brand of dread that feels more tangible and historically rooted than generic ghost stories. They often share a dark tone, steady pacing to build lore, and a heavy emotional weight stemming from inescapable ancestral sins.

Supernatural Containment Thrillers Similar to The Tag-Along: Devil Fish

Desperate races against time to recapture a unleashed supernatural entity. Find more movies like The Tag-Along: Devil Fish where characters must work together to contain a powerful evil they unleashed. These stories focus on the tense process of stopping a supernatural threat, combining horror with a procedural race against time.

  • tense
  • anxious
  • supernatural
  • procedural
  • race against time
  • unleashed evil
  • Tone: tense, dark, anxious
  • Pacing: steady to fast, urgent
Why these movies?

The story pattern: The plot is propelled by a critical mistake that releases the evil, shifting the characters' goal from simple survival to active containment. The story structure involves investigation, discovering lore or rules about the entity, and a final, dangerous confrontation using specific rituals or knowledge to try and seal the threat away.

Why they belong together: They share the specific narrative pattern of a 'cleanup' mission after a supernatural disaster. The similarity comes from the blend of horror with a procedural, problem-solving plot, a steady or fast pacing that mirrors the race against time, and a high-intensity atmosphere of impending doom.

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Movies Like The Tag-Along: Devil Fish

Similar movies to The Tag-Along: Devil Fish: the same genre, themes or kind of story. Each one comes with its own plot summary, timeline and ending explained.

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Every angle

The Tag-Along: Devil Fish (2018) Explained: Plot, Timeline & Characters

Everything about The Tag-Along: Devil Fish 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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