The story about a woman who joins an organized crime ring and infiltrates the police as an undercover agent in order to find out the truth about her father's death.
Episode 1On her birthday, Yoon Ji-woo witnesses the horrific death of her father. Hell-bent on taking revenge at any cost, she sets out to find his killer.
Episode 2
E2
Episode 2Choi Mu-jin imposes punishment on Do Gang-jae. Instructed to join the police force undercover, Ji-woo takes on a brand-new identity.
Episode 3
E3
Episode 3When her team goes after an unforeseen target in a sudden raid, Ji-woo must act fast. A new drug ring and its malevolent leader threaten Mu-jin's empire.
Episode 4
E4
Episode 4Cha Gi-ho sees Gang-jae's declaration of war on Mu-jin as an opportunity. Suspecting Ji-woo is up to something, Jeon Pil-do tails her.
Episode 5
E5
Episode 5Ji-woo and Pil-do's narrow escape from peril shifts the police's focus onto Gang-jae. A run-in with a familiar face at the precinct places Ji-woo on edge.
Episode 6
E6
Episode 6A photo in the mail revealing obscured truths casts everything Ji-woo thought she believed into doubt. Mu-jin moves to protect his interests.
Episode 7
E7
Episode 7Ji-woo fights off an ambush. Mu-jin submits himself to a police interrogation. Pil-do gets his hands on incriminating phone call records.
Episode 8
E8
Episode 8Intent on changing Ji-woo's mind about carrying out her vengeance, Pil-do handcuffs himself to her. Mu-jin reacts to another act of betrayal.
