Making his living as a proxy driver, Eui-seol, takes a drunken lady named Se-rim home, only to find out that she is reported missing three days later. He finds out from two detectives that Se-rim's house was where she used to live, and those detectives, knowing that Se-rim was the one who asked them for protection, tries to avoid the blame. Eui-seol, by chance, gets into Se-rim's car again and sees a mysterious guy in the car.