P R L O G U E

"Will you love me, even if that costs you your life?"

An undercover agent, a former prosecutor, and a Rich Single father team up to find a Serial Killer. Can they change each other's fate together?

Jo Sirin is a top Prosecutor in Seoul. She resigns from her job because of a serial killer. One day she meets Na Jaemin, a rich single father who's wife was brutally murdered by the same serial killer. She joins UCA (Undercover agents) and meets Jeon Jugnkook. Two more people join them, Hyunjin and Irene. These 5 team up to find the serial killer

[2 Prosecutor| 5 Undercoveragents]