Character Relationship Map: Hello Ghost

Characters

• Gang Sang-man (played by Cha Tae-hyun) — protagonist

  Gang Sang-man is a deeply depressed man who survives several suicide attempts while suffering from uncertainty about his past. He becomes able to see four ghosts and helps fulfill their unfinished wis...

• Poppy Ghost (played by Lee Moon-su) — supporting

  Poppy Ghost is the elderly ghost among the four spirits following Sang-man. His unfinished wish is to return a camera he took from a friend while alive. Sang-man carries out this request, helping the...

• Chain-smoking Ghost (played by Ko Chang-seok) — supporting

  Chain-smoking Ghost is the smoking male spirit who first appears beside Sang-man in the hospital. He wants to recover and drive his taxi, and also asks Sang-man to swim at the beach. Sang-man later re...

• Crybaby Ghost (played by Jang Young-nam) — supporting

  Crybaby Ghost is the sad young woman who frequently cries and joins the other spirits around Sang-man. She wants to cook and eat with people she cares about, so Sang-man arranges experiences that sati...

• Elementary School Student Ghost (played by Cheon Bo-geun) — supporting

  Elementary School Student Ghost is the child spirit who follows Sang-man and wants to watch a cartoon movie. Sang-man fulfills this simple wish as part of helping the ghosts complete their unfinished...

• Young Sang-man (played by Goo Seung-hyun) — supporting

  Young Sang-man represents Sang-man before he recovered the truth about his childhood. He survives a family taxi accident as the only survivor, loses his memories through extreme shock, and grows up in...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Gang Sang-man → Young Sang-man (Temporal Adult And Younger Self) — The younger version represents the childhood trauma and forgotten past that shape Sang-man's present.

  Young Sang-man is identified as Sang-man before he recovered the truth about his childhood; the younger boy survived the family taxi accident and lost...

• Gang Sang-man → Elementary School Student Ghost (Family Younger Brother And Older Brother) — Sang-man fulfills the child ghost's wish to watch a cartoon before learning they were brothers.

  Sang-man recalls that Elementary School Student Ghost was his older brother, who died in the family taxi accident.

• Gang Sang-man → Crybaby Ghost (Family Son And Mother) — Sang-man understands their relationship only after the ghosts have disappeared and his childhood memories return.

  After remembering that his mother put parsley in kimbap, Sang-man realizes Crybaby Ghost was his mother.

• Gang Sang-man → Poppy Ghost (Family Grandson And Grandfather) — The grandfather's unfinished wish is one of the requests Sang-man fulfills before recovering his memories.

  Sang-man later realizes that Poppy Ghost was his grandfather, who had followed him because he hoped Sang-man would remember the family.

• Gang Sang-man → Chain-smoking Ghost (Family Son And Father) — Sang-man initially helps the ghost fulfill his wishes without knowing their family connection.

  Sang-man eventually remembers that the smoking ghost was his father, who died in the family taxi accident.

Story Analysis

A suicidal man helps four ghosts fulfill their wishes, then discovers they are his lost family and begins to reconnect with life.

Plot Progression

1. A Life Without Answers — Sang-man's suicidal crisis leads to a hospital stay, where he begins seeing spirits nobody else can see. He discovers that the four figures are ghosts and learns they are tied to unfinished wishes.
2. Bargaining with the Spirits — Sang-man consults a shaman and agrees to help the ghosts in exchange for being left alone. He begins carrying out their distinct requests, including returning a camera and helping with the taxi and ot...
3. Connection and Loss — Fulfilling the ghosts' wishes brings Sang-man closer to Yun-soo. After her father's death, Sang-man delivers a message and gift that she eventually recognizes as genuine.
4. The Past Returns — The ghosts disappear after Sang-man asks them to leave, and he again considers suicide. A memory triggered by parsley in kimbap leads him to recover the truth about his childhood and the ghosts' ident...
5. Remembered Family — Sang-man calls to the ghosts and learns through their reunion that he is not alone. Photographs and the post-credit scene extend the story's ghostly connection into his family life.