Character Relationship Map: Blind

Characters

• Ryu Sung-jun (played by Ok Taec-yeon) — protagonist
• Ryu Sung-hoon (played by Ha Seok-jin) — protagonist
• Jo Eun-gi (played by Jung Eun-ji) — supporting
• Jung In-seong (played by Park Ji-bin) — supporting
• Yeom Gi-nam (played by Jeong In-gi) — supporting
• Baek Moon-kang (played by Kim Pub-lae) — supporting
• Kwon Yu-na (played by Kang Na-eon) — minor
• Chef Charles (played by Oh Seung-yun) — minor
• Ryu Il-ho (played by Choi Hong-il) — minor
• Na Gook-hee (played by Jo Kyung-sook) — minor

Canonical Relationships

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

• Ryu Sung-jun → Ryu Il-ho (Family Relative) — Family connection with unknown relation
• Ryu Sung-jun → Baek Moon-kang (Professional Colleague) — Fellow police officer
• Ryu Sung-jun → Yeom Gi-nam (Professional Superior) — Police department superior
• Ryu Sung-jun → Ryu Sung-hoon (Family Brother) — Blind police officer and his brother with complex relationship

Story Dynamics

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

• Ryu Sung-hoon → Jo Eun-gi (Social Acquaintance) — Knows each other through Sung-jun
• Ryu Sung-jun → Na Gook-hee (Social Informant) — Source of critical information
• Ryu Sung-jun → Chef Charles (Conflict Suspect) — Restaurant owner suspected of murders
• Ryu Sung-jun → Kwon Yu-na (Social Witness) — Person connected to the murder case
• Ryu Sung-jun → Jung In-seong (Conflict Antagonist) — Police officer investigating Sung-jun
• Ryu Sung-jun → Jo Eun-gi (Alliance Ally) — Working together to clear Sung-jun's name

Story Analysis

The single-season narrative follows Ryu Sung-jun from a public murder investigation through persecution, institutional revelations, recovered memory, and a painful final judgment.

Plot Progression

1. The Public Trial — A student murder leads to a highly publicized jury trial. The verdict appears to close the case, but the suspect's escape reopens the danger.
2. Targets And Suspicions — New murders and attacks on the jurors reveal a connection to an old welfare institution. Suspicion turns toward Ryu Sung-jun and a possible hidden identity.
3. The Fugitive Search — Ryu Sung-jun escapes captivity and investigates while being pursued by his own colleagues. The jurors are drawn into a carefully arranged public crisis.
4. The Welfare Secret — The investigation connects witnesses, messages, and physical evidence to the old institution. A failed rescue event gives way to a deeper search for the truth.
5. Memory And Judgment — Eight captives survive, and Ryu Sung-jun regains the memory needed to understand the conspiracy. The truth leads him to arrest members of his own family and confront the final judgment.