Character Relationship Map: The Plot

Characters

• Young-il (played by Gang Dong-won) — protagonist

  Young-il is a designer who turns commissioned murders into seemingly accidental deaths, carefully planning each killing so no evidence remains. After successfully handling a recent target, he accepts...

• Jackie (played by Lee Mi-sook) — supporting

  Jackie is one of Young-il's teammates in the group that engineers commissioned murders as accidental deaths. When Young-il accepts the dangerous assignment targeting an influential figure, Jackie join...

• Ju Seong-jik (played by Kim Hong-pa) — supporting

  Ju Seong-jik is Lee Hwa-sun's husband and is suspected by Young-il and his associates of hiring the Sweepers to arrange her fatal bus crash. Allegations that his family concealed illicit funds bring p...

• Even eyes (played by Lee Jong-suk) — supporting

  Even eyes is the man Young-il once trusted. He died when a bus struck him on Christmas Eve, in an incident publicly attributed to black ice. Young-il believes the crash was planned, and a woman who ha...

• Lee Hwa-sun (played by Yoon Bok-in) — minor

  Lee Hwa-sun is Ju Seong-jik's wife and the principal target of a fatal bus crash that also kills two other people. Although reports find no vehicle defects, Young-il and his associates recognize the i...

Canonical Relationships

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

• Ju Seong-jik → Lee Hwa-sun (Family Husband And Wife) — Lee Hwa-sun's fatal bus crash becomes the subject of suspicion that Ju Seong-jik may have hired the Sweepers.

  The plot identifies Lee Hwa-sun as Ju Seong-jik's wife.

• Young-il → Jackie (Professional Teammates) — They are members of the same death-staging group, but Jackie's sudden unavailability adds to Young-il's concern that someone is monitoring them.

  Jackie is identified as one of Young-il's teammates in the Sweepers. As the case develops, Jackie becomes difficult to reach.

Story Dynamics

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

• Young-il → Lee Hwa-sun (Narrative Investigator And Target) — Young-il examines the circumstances of Lee Hwa-sun's fatal crash, including whether insurance money was a motive.

  After Lee Hwa-sun dies in a bus accident, Young-il and his associates recognize her as the likely target and investigate the circumstances of her deat...

• Young-il → Ju Seong-jik (Conflict Suspected Adversaries) — Young-il's investigation turns toward Ju Seong-jik as a possible client behind the apparent accident, though the plot does not confirm the suspicion.

  Young-il and his associates suspect that Ju Seong-jik may have hired the Sweepers to arrange Lee Hwa-sun's fatal bus crash.

• Young-il → Even eyes (Social Trusted Associate) — Young-il's trust in Even eyes and his unresolved belief that the fatal crash was deliberate shape his suspicions about later deaths.

  Young-il once trusted Even eyes. Even eyes died when a bus struck him on Christmas Eve, and Young-il believes the crash was planned.

Story Analysis

Young-il investigates apparent accidents that may conceal deliberate killings, while the transcript leaves the investigation's outcome unresolved.

Plot Progression

1. A Death That Would Not Rest — Young-il's trusted associate Even eyes dies in a bus crash publicly attributed to black ice. Young-il believes the death was arranged, a suspicion that frames his response to a later fatal crash.
2. The Hwa-sun Investigation — Lee Hwa-sun and two others die in a bus accident, but Young-il's group sees signs that she was the intended target. Suspicion turns toward her husband, Ju Seong-jik, amid allegations involving his fam...
3. Secrets Under Surveillance — The team suspects it is being monitored as Jackie becomes difficult to reach and a wiretap is found in the office. Young-il revisits the old crash and hears a warning that the Sweepers killed Even eye...
4. An Unfinished Investigation — The investigators pursue a possible insurance motive while news reports Ju Seong-jik's daughter's death as suicide. A missing chess piece heightens fears of exposure, and Hauser prepares a broadcast b...