Debt collector Nam Soon lost his sense of pain after a traumatic accident during his youth, and now regularly takes beatings for his job. Street vendor Dong Hyun suffers from severe hemophilia, a disorder that impedes the body's ability to stop bleeding. For Dong Hyun, even the most minor of injuries could be deadly. She's left homeless after Nam Soon collects the last of her money, so he decides to take her in. (Source: Wikipedia)