Synopsis：FBI agent Jayda goes undercover at a nightclub but is assaulted by the gang’s boss, only to be saved at the last second by a mysterious masked man. After a blazing one-night stand, she wakes to find only a letter and a mask left behind. As she continues her investigation, Jayda is stunned to learn that her savior is actually Nico, the elusive crime lord who secretly controls the club. Drawn deeper into his dangerous world, she faces kidnappings, betrayals, and tangled misunderstandings—and finds herself falling for him. Nico, driven by his feelings for Jayda, starts to question the criminal life he built. Caught between love and duty, Jayda must choose whether to bring him down or stand by his side.