Driven by life, Lin Mian has to sell herself for money. Doctor Shi Lin, feeling compassion, tries to scare her off. Thus, they got to know each other. By chance, they spend a night together. Later, Shi Lin rescues her from harassment at a bar. From that night on, He is consumed by a strong desire for her. Addicted, he wishes to continue their love contract, but Lin Mian wants to end it. However, how could he agree?