Following her father's murder, a revenge-driven woman puts her trust in a powerful crime boss — and enters the police force under his direction.
On 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.
Choi Moo Jin imposes punishment on Do Gang Jae. Instructed to join the police force undercover, Ji Woo takes on a brand-new identity.
When 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 Moo Jin's empire.
Cha Gi Ho sees Gang Jae's declaration of war on Moo Jin as an opportunity. Suspecting Ji Woo is up to something, Jun Pil Do tails her.
Ji 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.
A photo in the mail revealing obscured truths casts everything Ji Woo thought she believed into doubt. Moo Jin moves to protect his interests.
Ji Woo fights off an ambush. Moo Jin submits himself to a police interrogation. Pil Do gets his hands on incriminating phone call records.
Intent on changing Ji Woo's mind about carrying out her vengeance, Pil Do handcuffs himself to her. Moo Jin reacts to another act of betrayal.
