Character Relationship Map: #Alive

Characters

• Oh Joon-woo (played by Yoo Ah-in) — protagonist

  Primary protagonist surviving a zombie outbreak alone in his apartment. Uses a drone and social media to scout and communicate. Forms a bond with a neighbor via radio, navigates infected floors, and u...

• Kim Yoo-bin (played by Park Shin-hye) — protagonist

  Survivor in the adjacent building who communicates with Joon-woo. Helps establish a zip line, fights alongside him to reach the eighth floor, and kills the masked man's infected wife during their desp...

• Firefighter (played by Jeon Woon-jong) — supporting
• Joon-woo's Father (played by Kim Hak-seon) — supporting

  Initially contacts Joon-woo to report safety at a refuge. Their whereabouts are later revealed to be overrun when Joon-woo receives a distress voicemail from the family.

• Joon-woo's Mother (played by So Hee-jung) — supporting

  Initially contacts Joon-woo to report safety at a refuge. Their whereabouts are later revealed to be overrun when Joon-woo receives a distress voicemail from the family.

• Joon-woo's Sister (played by Joo Bo-bi) — supporting
• Masked Man (played by Jeon Bae-soo) — supporting

  Also known as Lee Sang-chul in the cast list, he acts as a savior before revealing his true intentions. He drugs the protagonists, binds them, and locks Yoo-bin with his infected wife, leading to his...

• Masked Man's Wife (played by Lee Chae-kyung) — supporting

  A female survivor who has turned into a zombie. Kept restrained by her husband, she breaks free, attacks him, and threatens Yoo-bin, resulting in both being shot by Yoo-bin.

• Police Officer (played by Oh Hye-won) — supporting

  Witnessed by Joon-woo from his window as he is attacked and taken down by zombies on the street, highlighting the immediate danger outside.

Canonical Relationships

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

• Masked Man's Wife → Masked Man (wife)
• Joon-woo's Sister → Oh Joon-woo (sister)
• Joon-woo's Mother → Oh Joon-woo (mother)
• Joon-woo's Father → Oh Joon-woo (father)
• Police Officer → Firefighter (Professional Public Responders) — Both are represented as emergency responders overwhelmed by the outbreak.

  The plot shows a police officer and a firefighter appearing as emergency personnel during the zombie outbreak.

Story Dynamics

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

• Oh Joon-woo → Police Officer (Social Witness) — The officer's attack is observed by Joon-woo and reinforces his isolation and fear.

  Joon-woo watches from his apartment as zombies take down the police officer outside.

• Oh Joon-woo → Kim Yoo-bin (Alliance Survival Partner) — They cooperate as equal survival partners during the outbreak.

  Joon-woo and Yoo-bin communicate across their apartment buildings, establish a zip line, fight through the eighth floor together, and escape on the sa...

• Kim Yoo-bin → Firefighter (Conflict Enemy) — Yoo-bin directly confronts and eliminates the infected firefighter.

  When the infected firefighter climbs the cable, Yoo-bin survives only after Joon-woo sacrifices his drone and she kills the attacker.

• Oh Joon-woo → Firefighter (Conflict Enemy) — The infected firefighter becomes a direct physical threat to Joon-woo's rescue plan.

  The infected firefighter pulls the cable connected to the apartments and begins climbing toward Yoo-bin.

Story Analysis

Two isolated survivors transform technological signals into mutual trust and a final escape from a zombie-overrun city.

Plot Progression

1. The City Falls Silent — Joon-woo witnesses the outbreak from his family apartment and seals himself inside. He uses messages, social media, and a drone to understand the growing danger.
2. Isolation Without Supplies — Communications and utilities fail as Joon-woo's food disappears. A police officer's death, a home invasion, and a devastating voicemail push him toward despair.
3. A Signal Across The Street — Yoo-bin's laser pointer interrupts Joon-woo's suicide attempt and gives him a reason to continue. Their failed cable attempt becomes a dangerous confrontation with an infected firefighter.
4. Trust Under Siege — The survivors communicate by walkie-talkie and protect each other from converging hordes. They then risk a joint advance toward the eighth floor.
5. The Rooftop Escape — A deceptive refuge nearly turns the pair into captives, but Yoo-bin breaks free and eliminates the immediate threat. They reach the rooftop and are rescued by a military helicopter.