Oh Yong

In an era of violence and corruption, Park Yeong-han, a humble detective, joins forces with Sang-sun, Gyeong-hwan and Ho-jeong to uphold justice.

A serial killer reappears 15 years after his murder spree with a book detailing his crimes. The resentful cop who failed to catch him before is assigned to protect him. The families of the victims plan revenge. And as the media circus spirals out of control, a masked man called "J" appears claiming to be the real killer.

A woman subject to mental, physical, and sexual abuse on a remote island seeks a way out.