Character Relationship Map: Midnight

Characters

• Kyung-mi (played by Jin Ki-joo) — protagonist

  A sign-language customer service worker who becomes the target of a masked attacker. She searches for a missing acquaintance, struggles to seek help because of her hearing and communication difficulti...

• Jong-tak (played by Park Hoon) — supporting

  A security-service manager and the brother of the missing woman. After receiving her desperate call, he follows the trail, helps find the endangered woman, and confronts the masked attacker, vowing to...

• Kyung-mi's Mother (played by Kil Hae-yeon) — supporting

  Kyung-mi’s close companion who plans to eat with her and discuss a future trip to Jeju Island. She becomes alarmed when Kyung-mi cannot be reached and seeks help at a police station.

• So-jung (played by Kim Hye-yoon) — supporting

  A woman who has not returned home and whose disappearance prompts a search. She later calls while severely injured, begs for help, and says that her daughter went downtown to save her.

• Police Officer (played by Bae Eun-woo) — cameo

Canonical Relationships

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

• Kyung-mi's Mother → Kyung-mi (mother)
• Police Officer → So-jung (Professional Investigates Disappearance) — Police activity is connected to the missing-person investigation.

  The police receive conflicting witness accounts while the disappearance and suspected attack are being investigated.

• Police Officer → Kyung-mi (Professional Searches For) — The police response attempts to locate and protect Kyung-mi.

  Police Officers circulate Kyung-mi’s physical description and begin searching the surrounding area for her and the suspect.

• Jong-tak → So-jung (Family Brother) — So-jung's disappearance directly motivates Jong-tak's search.

  Jong-tak is identified as So-jung’s brother and becomes involved after receiving her severely injured call.

Story Dynamics

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

• Kyung-mi's Mother → Police Officer (Alliance Seeks Assistance From) — Kyung-mi's mother turns to the police during the emergency.

  When Kyung-mi cannot be reached, her mother becomes alarmed and seeks help at a police station.

• Kyung-mi → Jong-tak (Alliance Rescue Ally) — Jong-tak becomes Kyung-mi’s principal immediate rescuer.

  Jong-tak follows So-jung’s trail, finds Kyung-mi hiding near a bin, and helps retrieve her with assistance from passersby.

• Kyung-mi → So-jung (Social Acquaintance) — Kyung-mi is connected to the search for the missing So-jung.

  Kyung-mi’s mother worries that So-jung has not returned home, and Kyung-mi searches for So-jung before encountering the masked man.

Story Analysis

A vulnerable woman struggles to survive a masked attack while family, police, and a desperate rescuer converge on the danger.

Plot Progression

1. Bodies Under The Night — An emergency call leads to the discovery of two corpses. Police secure the scene while a witness describes a brutal attack.
2. Ordinary Plans, Growing Absence — Kyung-mi finishes work and plans food with her mother. Their conversation introduces their close bond, their Jeju plans, and concern about So-jung's disappearance.
3. The Streets Turn Hostile — Kyung-mi encounters a masked man in a deserted redevelopment neighborhood. Her communication difficulties, darkness, abandoned buildings, and a disabled alarm system leave her vulnerable.
4. Clues And Desperate Calls — Kyung-mi's mother seeks help while police examine conflicting accounts and suspicious phone evidence. So-jung's injured call sends Jong-tak after the trail.
5. Rescue Meets Confrontation — Jong-tak finds Kyung-mi and helps retrieve her, but the masked man returns. Kyung-mi pleads for her life as Jong-tak confronts him, leaving the outcome unresolved.