Slave Lover is a young romantic comedy film released in early 2004, starring Jin Zaiyuan and Tian Hailin, and it is also the first work of their cooperation. In the play, Ha Ji Won plays Xia Ying, a lovely girl in senior three. Because of an accident, she signed a "prostitution contract" with Heng Jun, a college student played by Jin Zaiyuan, and staged a ridiculous thing.