Youngju, who barely turns to 18 years old, has been in charge of her younger brother since their parents’ sudden death by car accident. Even though she gives up her dream, she wants to take responsibility for her only brother. However her brother, Youngin keeps making troubles, and gets involved in a crime. For a settlement, Youngju needs money. Youngju decides to find Sangmoon, the man who killed her parents, thinking that she deserves to ask him some money. Upon the encounter Youngju doesn’t tell him who she is.