A Useful Ghost (2025) Characters, Setting & Themes Explained

The film takes place in a Thai city undergoing aggressive urban renewal, centered around an electronics factory. Key locations include the factory and its inventory warehouse, a hospital, Dr. Paul’s residence, and a lakeside area where ghosts anchor to memories. The setting blends urban renewal zones with industrial interiors and intimate spaces where spirits invade the ordinary.

• thailand
• electronics factory
• setting
• urban renewal
• haunted factory

The story unfolds in the early 21st century, set in a contemporary Thai environment that blends modern technology with traditional ghost lore. The narrative presents a present-day vibe where personal grief, corporate interests, and state power intersect, featuring factory closures, political maneuvering, and experimental technologies involving dream-bridging and electroshock therapy.

• contemporary
• early 21st century
• thailand
• modern setting
• time period

Ghosts in the film anchor themselves to the living through memories, shaping events in the factory and beyond. The spirit of Tok interferes with machinery while Nat uses dreams to uncover who memory belongs to. The film treats memory as a battleground where personal histories influence corporate and political decisions, illustrating how the past lingers and actively shapes the present.

• ghosts
• memory
• past
• anchoring
• haunting

Nat’s relationship with March drives emotional conflict as they strive to start a family amid haunting and social pressure. March is torn between loyalty to Nat and the demands of tradition and health institutions. Nat’s willingness to blur boundaries and sacrifice for a future complicates her essence and the couple’s dynamic, showing how love can both heal and endanger those involved.

• love
• sacrifice
• family
• relationship
• nat
• march

Dr. Paul’s use of dream-based exorcism to cleanse political ghosts exposes ethical ambivalence in wielding power. The living push to forget painful histories while the dead press for remembrance. The mass-exorcism plan raises questions about manipulation, surveillance, and the trade-off between societal order and individual rights, critiquing the abuse of science and policy for political gain.

• power
• ethics
• politics
• exorcism
• dr paul
• corruption

Dreams become both a weapon and a sanctuary, allowing Nat and March to explore memories that bind or free them. The dreamscape reveals truth and deception, challenging characters to discern what is real. The technology to enter dreams blurs the line between psyche and physical world, making memory a battlefield for justice and revenge. Sleep becomes a portal to confront collective traumas.

• dreams
• reality
• dreamscape
• memory
• electroshock therapy

Nat is a ghost bound to a vacuum cleaner who seeks to start a family with March using her frozen eggs. She befriends Dr. Paul and later becomes a catalyst for mass-exorcism efforts. Her humanity becomes more pronounced as she negotiates love, memory, and power, gradually revealing a more complex motive than simple haunting. She represents the intersection of personal desire and political conspiracy.

• nat
• vacuum ghost
• protagonist
• wife
• march

March is Suman’s son and Nat’s lover who is grieving the loss of his wife and unborn child to a respiratory illness caused by dust pollution. He is drawn to Nat’s human form and becomes entangled in hospital and dreamworld crossovers. His protective instincts clash with his longing for a family and his struggle with memory and identity.

• march
• husband
• grief
• family
• son of sumane

Tok is the vengeful spirit of a factory employee who died of congenital heart disease. He habitually possesses machinery, blaming the factory for his death. His presence persists because someone close to him remembers his life, anchoring him to the physical world through memory. He represents the unresolved grievances of workers harmed by industrial conditions.

• tok
• spirit
• factory worker
• vengeance
• haunting

Suman is the heiress to the family electronics factory, troubled by Tok’s haunting and the ensuing regulatory troubles. She loses her license to operate the factory after Tok’s disturbances and faces pressure from conservative in-laws. Her decisions, especially confronting Nat, shape the factory’s fate and her family’s future, representing the corporate burden of the past.

• suman
• factory heiress
• owner
• corporate
• family

Dr. Paul is the Prime Minister of Thailand who intervenes in Nat’s case, promoting a controversial project to use electroshock therapy to explore dreams and memories. He seeks bureaucratic clearance to mass-exorcise politically inconvenient ghosts, leveraging science for political ends. His plans are ultimately challenged by Nat and the consequences unfold around him.

• dr paul
• prime minister
• politician
• exorcism
• power

Krong is a repairman who is revealed to be a ghost haunting his own vacuum. He was murdered by having his feet encased in concrete and thrown into a lake. His presence lingers through his daughter's memories, which Nat’s interventions threaten to erase, ultimately driving him to seek vengeance and closure with the Ladyboy.

• krong
• repairman
• murdered
• ghost
• vacuum

The self-described academic ladyboy narrator is overwhelmed by dust from the city’s renewal and cleans his apartment with a vacuum. He becomes entangled with Krong’s ghost and leads the audience through the haunted factory tale. His curiosity and affection for Krong drive personal revelations about memory, desire, and the afterlife, serving as the frame narrative guide.

• ladyboy
• narrator
• frame story
• protagonist
• krong

The vacuum cleaner serves as both a literal object and symbolic device in the film. Nat’s ghost is bound to a vacuum, representing how the characters are trapped by the past and the dust of history. The Ladyboy also uses a vacuum overwhelmed by city dust, connecting personal cleansing to larger themes of renewal, memory, and the things we cling to after loss.

• vacuum
• dust
• cleansing
• symbolism
• object