Nobody Knows

Young Jin lays her hands on a doll with six wings from a bereaved family member of the serial murder. She thinks that the doll has something to do with the serial killer. Her investigation leads her to New Life Church and a suspect. Meanwhile, Eun Ho sees a man collapse on the street and takes him to the hospital.

Sun Woo asks Eun Ho if anyone at school bullies him, and Eun Ho says no. Eun Ho receives a prize for saving a man who lost consciousness on the street the other day. Meanwhile, Young Jin finds it strange that the 9th victim Im Hee Jung’s cell phone is nowhere found.

Young Jin comes to visit Eun Ho’s patient room to check on him. She finds signs of assault on Eun Ho’s body, and that makes her think it’s a crime. She starts to follow the traces of what Eun Ho did on the day of the fall. Finally, she ends up in an abandoned building. Meanwhile, Sun Woo is certain that Dong Myung knows something about Eun Ho’s fall.

Sun Woo hears from Dong Myung that he used to work part-time at Millennium Hotel with Eun Ho upon request from Chang Su, Su Yeon’s boyfriend. Meanwhile, with Su Yeon’s permission, Young Jin goes into Eun Ho’s house to look for a bag Eun Ho used to carry. She catches Chang Su who tries to sneak into the empty house and hears from him about what Eun Ho had found at Millennium Hotel.

Dong Myung talks about how he became friends with Eun Ho and that he sensed something was going on between Eun Ho and Min Sung at school. Young Jin takes the security footage from the day of the cash dump in order to find out who left the money. Meanwhile, Hee Seob thinks that Jang Ki Ho is Im Hee Jung’s heir and starts finding Jang Ki Ho.

Young Jin’s team decides to investigate Lee Young Sik and Kevin Jung who are involved in the cash dump and could be Dae Hoon’s accomplice. However, Lee Young Sik is missing and cannot be found anywhere. Young Jin fails to get any detailed or crucial information from Kevin Jung. Meanwhile, Sun Woo finds out that the one Eun Ho saved on the street was Jang Ki Ho.