Seo Dong-hyun

Ja-young, a high school student haunted by guilt over her missing sister, convinces her friends to stage a fake necromancy ritual for a video contest. However, the playful stunt inside an abandoned building accidentally summons real, vengeful spirits, trapping the group in a terrifying ordeal as their harmless game transforms into a desperate struggle for survival.

The story of a detective who lost his partner to a crime caused by a juvenile offender. The drama examines the loopholes and ambivalence of the justice system when it comes to juvenile crimes.