Kim Jeong-mi wanders the streets due to the death of her loving father and the remarriage of her mother, and is unexpectedly kidnapped by Park Man-soo. Jung-mi is imprisoned in Park Man-soo's apartment. She tries to get out of her apartment by Jeong-mi, but she can't get over Man-su's tactics, and she becomes a partner in the crime. Man-su sacrifices himself to save Jeong-mi, who is in her crisis, after her first crime fails. She finds that Jeong-mi discovers a different side of her Man-su, and she entrusts her body to Man-su without even feeling her love. Seok-gyu, Jeong-mi's ex-lover, encounters opposition from her parents due to the bankruptcy of her Jeong-mi's house. Man-su threatens Soo-kyung and Seok-gyu, who are trying to find her Jeong-mi. At Seok-gyu's plea to save her fiance, Jeong-mi again joins the plot of Man-su's big crime.