

After finishing his street stall shift, Dylan Grant encounters Shadow Flock beauty Lacey Thomson being cornered by the Ryan family heir Alex Ryan. In desperation, Lacey pulls Dylaninto pretending to be her boyfriend to ward off Alex. She then accompanies Dylan back to his "impoverished" home. To resist Alex's forced marriage proposal, Lacey and Dylan hold a wedding ceremony that very night. The next day, Alex kidnaps Black Flock members, triggering a life-or-death conflict. At the critical moment, Ella Grant, Dylan's elder sister and a hidden wealthy CEO, arrives with reinforcements and announces that Dylan is the sole heir to the richest Grant family!

After her family is massacred by the Black Dragon Gang, the little girl Grace becomes the top assassin Dove. Now disguised as a mute, she infiltrates enemy territory, biding her time to avenge the victims. With lethal skills, she takes down villains but unexpectedly gets entangled with Jasper York, the heir to the organization she's sworn to destroy. When their paths cross, suspicion and mind games gradually give way to forbidden feelings. Caught between gang fights, psychotic killers, and deadly traps, she manages to balance her mission of revenge against her complicated relationship with Jasper. When her cover is about to unravel, can they join forces to bring down the crime empire?