Character Relationship Map: Inside Men

Characters

• Ahn Sang-goo (played by Lee Byung-hun) — protagonist

  A mobster boss who secretly supports Lee Kang-hee and Jang Pil-woo by handling their dirty work. After obtaining a copy of the sponsor's slush-fund record, he is betrayed and has his hand severed by M...

• Woo Jang-hoon (played by Cho Seung-woo) — protagonist

  An ambitious prosecutor from a humble socio-economic background who lacks the connections needed to advance his career. He investigates the relationship between Jang Pil-woo and Mirae motors, but face...

• Lee Kang-hee (played by Baek Yoon-sik) — supporting

  The chief editor of an influential conservative newspaper who uses the power of the press to elevate Jang Pil-woo into a leading presidential candidate. He secretly collaborates with the owner of Mira...

• Jang Pil-woo (played by Lee Kyung-young) — supporting

  A congressman whose presidential ambitions are advanced by Lee Kang-hee's newspaper and supported through a secret deal involving Mirae motors' biggest sponsor. He relies on Ahn Sang-goo for covert di...

• Jang-hoon's Father (played by Nam Il-woo) — minor

Canonical Relationships

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

• Jang-hoon's Father → Woo Jang-hoon (father)
• Ahn Sang-goo → Jang Pil-woo (Professional Former Political Operative) — Ahn previously helped Jang advance before being considered expendable.

  Ahn supported Jang behind the scenes and performed dirty work connected to Jang's political rise.

• Ahn Sang-goo → Lee Kang-hee (Professional Former Collaborator) — Their former cooperation collapses when Lee abandons Ahn to protect the political operation.

  Ahn supported Lee's political operations behind the scenes by carrying out dirty work. Lee later treated Ahn as a disposable liability.

Story Dynamics

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

• Ahn Sang-goo → Woo Jang-hoon (Alliance Revenge Ally) — Their cooperation combines Ahn's evidence and revenge motive with Woo's prosecutorial investigation.

  Woo meets Ahn while Ahn is methodically planning his revenge, and Woo later receives Ahn's help in exposing Lee and Jang.

• Jang Pil-woo → Woo Jang-hoon (Narrative Investigation Target) — Jang is the central political subject of Woo's investigation.

  Woo investigates Jang's relationship with Mirae Motors as a route to exposing corruption.

• Lee Kang-hee → Woo Jang-hoon (Conflict Institutional Obstacle) — Lee uses his influence to block Woo's corruption investigation.

  Woo's investigation is repeatedly obstructed by Lee's influence, including the manipulation of key witnesses.

• Lee Kang-hee → Jang Pil-woo (Alliance Political Ally) — Lee and Jang cooperate to build and protect Jang's presidential campaign.

  Lee uses the power of his newspaper to raise Jang to the position of leading presidential candidate.

Story Analysis

A prosecutor and a betrayed underworld operative combine ambition, evidence, and revenge against a media-backed political corruption network.

Plot Progression

1. The Candidate Machine — Lee uses the conservative newspaper to elevate Jang into a leading presidential candidate. Their political rise depends on a secret arrangement involving the sponsor's slush fund.
2. The Disposable Accomplice — Ahn performs hidden dirty work for Lee and Jang but is caught with a copy of the slush-fund record. The two political allies decide that Ahn has become a liability.
3. Truth Discredited — Ahn survives his punishment and tries to expose the corruption. Lee and Jang exploit his identity as a gangster to destroy his public credibility.
4. The Prosecutor's Opening — Woo investigates Jang's relationship with Mirae Motors because the case may be his only route to advancement. The investigation is obstructed through bribery, threats, and coercion.
5. Inside Men Unite — Woo meets Ahn and discovers that Ahn still possesses the slush-fund record. Their different motives merge into a plan to expose Lee and Jang to the public.