Character Relationship Map: The Ghost

Characters

• Min Ji-won (played by Kim Ha-neul) — protagonist

  Min Ji-won is an amnesiac expert swimmer whose forgotten past is tied to a deadly forest spring. She investigates the deaths surrounding her and eventually recalls pushing Su-in into the water. The fi...

• Su-in (played by Nam Sang-mi) — supporting

  Su-in was Min Ji-won's introverted childhood friend before Ji-won joined an elitist school clique and treated her as a laughingstock. After being pushed into a spring, Su-in drowns while saving Ji-won...

• Eun-seo (played by Jeon Hye-bin) — supporting

  Eun-seo is Eun-jung's sister and a member of Min Ji-won's elitist high-school clique. She scolds the girls after their séance, but is then killed by a ghostly water presence after Eun-jung jokingly wi...

• Ji-won's Mother (played by Kim Hae-sook) — supporting

  Ji-won's Mother is the parent Min Ji-won returns to after uncovering the truth about the spring incident. She becomes caught in the supernatural identity conflict when Ji-won's spirit possesses her, c...

Canonical Relationships

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

• Ji-won's Mother → Min Ji-won (mother)

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Eun-seo → Su-in (Conflict Clique Antagonist) — Eun-seo is linked to the social persecution and fatal prank against Su-in.

  Eun-seo belongs to the clique that treated Su-in as an outsider and participated in the incident at the spring.

• Min Ji-won → Eun-seo (Alliance Clique Member) — Their past association connects Ji-won to the group responsible for Su-in's tragedy.

  Ji-won and Eun-seo are identified as members of the same elitist high-school clique.

• Min Ji-won → Su-in (Social Former Friend) — Their friendship deteriorates into cruelty and becomes the emotional foundation of the haunting.

  The plot states that Ji-won and Su-in were friends before Ji-won joined the elitist clique and began mocking Su-in.

Story Analysis

A buried act of cruelty returns through water, memory, possession, and an unstable exchange of identities.

Plot Progression

1. The Summoned Presence — A séance turns a joking wish into a deadly supernatural event. Ji-won's water-related nightmares begin after the first death.
2. Warnings from the Past — Ji-won is warned that Su-in is coming for her, and another death confirms the threat. Her forgotten high-school connections begin to return.
3. The Clique's Buried Crime — Ji-won discovers her former role as the clique's leader and remembers how Su-in was mocked. Information about the forest trip points toward the missing girl's fate.
4. The Spring Remembers — At the forest spring, Ji-won recovers the truth about the cruel prank and Su-in's drowning. The memory reveals the clique's moral failure.
5. An Identity Without a Body — Ji-won learns that the girls exchanged bodies during the struggle. Su-in's revenge reaches the home and ends with a disturbing fish-market implication.