Following her father’s tragic end, a revenge-driven woman puts her trust in a powerful crime boss — and enters the police force under his direction.
Yoon Ji Woo, a member of a organized crime ring, goes undercover as a police officer and harbors cold revenge in her heart. Helping Yoon Ji Woo go undercover is Choi Moo Jin, the boss of the biggest substance ring in Korea, whose true motives are not easyto read.
Jeon Pil Do is a police detective in the substance Investigation Unit. He is a stickler for rules who becomes Yoon Ji Woo’s partner when she joins the police. Cha Gi Ho is the team leader of the substance Investigation Unit. He and Choi Moo Jin have long been enemies, with Cha Gi Ho vowing to take down his crime ring before he retires.
Jung Tae Joo is Choi Moo Jin’s subordinate in the substance ring. Because of his steadfast loyalty, he is Choi Moo Jin’s most trusted henchman. Do Gang Jae is a former member of the substance ring. After causing problems and getting kicked out of the gang, he vowed revenge against them.
(Source: Soompi, Netflix)