Taehyung's father is a mafia boss and he wants to be the next mafia boss but his father wants to train him first,so his father tells him to kill a woman, and it's you...his father wants to kill you because you're the daughter of his biggest enemy. Taehyung agree because he wants to prove himself to his father and when he sees you he start his mission but first he pretend that he's kind and soft boy to you until you both are close to each other but you still don't know what's his plan to you