Adalia Eberhart is a perfect Uni student living on her own. She's enjoying her 19-year-old life with her friends. All the while, she's a talented assassin hired by many. She's perfectly content with this profession, as she's good at it and it puts money in her bank account. She's gets hired, she kills, she gets the money, and forgets anything that happens. There is no problem with any of this until a man hires her to kill her own parents. She's threatened to either kill her parents or she'll be killed, herself. In the meantime, she's getting closer and closer to a certain boy who has no idea about anything that's going on with her outside life... Right?