Character Relationship Map: Under the Light

Characters

• Su Jianming (played by Lei Jiayin) — protagonist

  An investigator probing the truth behind a bus explosion case. He defies his father's warnings to attend a banquet hosted by Li Zhitian, where he uncovers shocking clues including a hidden corpse, a v...

• Li Zhitian (played by Yu Hewei) — supporting

  A wealthy businessman who hosts the banquet. He demonstrates a brazen and cruel display of power by humiliating others and plunging his hand into boiling hotpot, while being central to the underlying...

• Zheng Gang (played by Zhang Guoli) — supporting

  A deputy mayor and Su Jianming's adoptive father, Zheng Gang responds cautiously to a hostage crisis on a bus, helping women and children leave and promising the hostage-taker leniency for surrender....

Canonical Relationships

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

• Zheng Gang → Su Jianming (Family Adoptive Father And Son) — Their father-son bond is tested as Su investigates a case that may implicate Zheng, while Zheng tries to control the danger surrounding him.

  The plot identifies Zheng Gang as Su Jianming's adoptive father. When Su questions his origins, Zheng insists that being adopted does not change their...

Story Dynamics

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

• Zheng Gang → Li Zhitian (Unknown Suspected Co-conspirators) — The plot presents both men as figures Su suspects are connected to the broader scheme, but does not resolve the nature of their relationship.

  Su grows suspicious that the bombing and its related confessions may be part of a larger scheme involving both Li Zhitian and Zheng Gang. Later, both...

• Su Jianming → Li Zhitian (Conflict Suspicious Adversaries) — Su's investigation increasingly focuses on Li, whose denials and efforts to control the situation deepen Su's suspicions.

  Li Zhitian stages a menacing dinner encounter with Su and denies involvement in the bombing. Su later suspects that Li may be involved in a larger sch...

Story Analysis

An investigator follows a suspicious bombing toward a possible conspiracy while confronting uncertain loyalties, family bonds, and a dangerous search for hidden evidence.

Plot Progression

1. The Bus Standoff — A hostage-taker on a bus demands to speak with Zheng Gang. Zheng evacuates vulnerable passengers and secures the man's bag, but questions about the incident remain.
2. A Case Under Suspicion — Su Jianming becomes entangled with Li Zhitian and questions the claim that the bomber acted alone. He identifies missing demolition-company owner Liu Mingli as a possible link and persuades him to coo...
3. The Performance Unravels — The investigation begins to seem carefully managed, and Su suspects a larger scheme involving Li and Zheng. His doubts about his origins add strain to his relationship with Zheng, who insists their fa...
4. The Phone Becomes a Prize — Evidence connected to Su's aunt and an old phone threatens to expose secrets. Li and Zheng move to control the situation while Su tries to protect the person who found the device.
5. Violence and Uncertainty — The pursuit reaches a boat, where communications are jammed and armed men close in. A difficult labor and the newborn's need for resuscitation unfold amid the crisis, while the search for a missing pe...