Trap

Kang Woo-hyun and his family are hunted by people. Detective Ko is summoned to handle the case.

Seo-young is brought into the case, and Detective Ko keeps bumping into her even for petty problems.

Woo-hyun's son is found dead. However, Detective Ko behaves cold towards Woo-hyun.

Detective Ko and Seo-young head to Woo-hyun's house where secrets of the case are hidden.

Woo-hyun meets Detective Ko who is in deep sorrow, while hiding his secrets and intentions behind.

Woo-hyun puts Detective Ko, who senses his real identity, in a psychiatric hospital.