Assassin Leon Lawson is hired by Zane Qian to protect his friend's daughter, Seraphina Shaw. Seraphina hates him, assassin Willow pursues him. Leon uncovers a school bullying truth, Seraphina begins to rely on him. Tycoon Liam Lee kidnaps Seraphina for a drug formula. Leon and Willow ally to destroy Liam Lee. Seraphina and Leon become a couple, and the Shaw family binds him with a five-billion-dollar 'ten-year package.' He finds his perfect ending.
