Min-woo (played by Jeon Yeong-rok), who came to Hong Kong for business, has his bag stolen at the airport. And after the suspicious death of his friend Ho-jin, Min-woo is treated as a mentally ill person and is confined to a hotel. With the help of the branch manager's secretary, Miss Ho, he is confined to the hotel. With the help of the branch manager's secretary, Miss Ho, he challenges the suspicions about Ho-jin's death with the help of a beautiful Chinese woman named Hyang-ri. After Miss Ho ...