The story follows Lucas, a professional assassin tasked with impersonating a wealthy heiress Charlotte’s husband in order to deceive her, seize her assets, and ultimately kill her. However, as he spends time with her, he becomes unexpectedly drawn to her kindness and sincerity, leading to a growing inner conflict between duty and emotion. Meanwhile, the real husband Allen and the criminal organization tighten their control, pushing the mission toward a deadly conclusion. Charlotte begins to notice subtle changes in her “husband,” caught between suspicion and trust. As their fake marriage slowly turns into something real, both are pulled deeper into danger. When the truth finally surfaces, love, identity, and survival collide, forcing them to confront a devastating choice that could cost everything.
