Sae-ron Kim

Young-nam was a promising graduate of the police academy before she was transferred to the small seaside village, as a result of misconduct. On her first day in the village, she encounters Dohee, a girl living in the town with a gloomy looking face. As Young-nam tries to acclimate to her new surroundings, Dohee's grandma died in a car accident. To protect the girl from her stepfather's abuse, Young-nam lets Dohee stay at her place, but things become more mysterious as she gets to know her.

A young girl is kidnapped by a serial killer. The serial killer uses manholes to kidnap and kill his victims. The young girl's older sister tries to save her before it's too late.

An ex-special agent CHA Tae-shik's only connection to the rest of the world is a little girl, So-mi, who lives nearby. Her mother, Hyo-jeong smuggles drugs from a drug trafficking organization and entrusts Tae-shik with the product, without letting him know. The traffickers find out about her smuggling and kidnap both Hyo-jeong and So-mi. The gang promises to release them if Tae-shik makes a delivery for them, however it actually is a larger plot to eliminate a rival drug ring leader. When Hyo-jeon's disemboweled body is discovered, Tae-shik realizes that So-mi's life may also be in danger. Tae-shik becomes enraged at the prospect that So-mi may already be dead and prepares for a battle, putting his own life at risk.