Young Jin and Soo Jung are close friends; Young Jin ignores Soo Jung's phone calls, and a serial killer murders Soo Jung; on her way home from the police station, Young Jin gets a phone call from the murderer of Soo Jung.

Jin-young finds Seo Sang-won, the culprit of the stigmata serial murder case, on the building's rooftop; he claims he has blessed the victims and falls from the building, killing himself.

Eun-ho gives the money he had kept in a pair of sneakers to Dong-myung; Eun-ho falls from a hotel building.

Young-jin and Seon-woo discover a button from Eun-ho's uniform in the abandoned building where he was found; believing foul play was involved, Young-jin retraces Eun-ho's actions the day he was pushed.

Young-jin and Seon-woo start looking for Dong-myung, who has suddenly disappeared; Sang-ho decides to find Eun-ho, a caregiver.

Young Jin now knows whose money Eun Ho took from the hotel's bathroom; Sun Woo, needs to make a choice; Jang Ki Ho disappears, leaving his cell phone and wallet at home, and Baek Sang Ho and Yoon Hee Seob are trying to find him.