Yu Ping comes to Hong Kong in search of the murder who killed her father. She sings in a nightclub and meanwhile hires detective to track down the killer. On the stage, Yu Ping deeply fascinates Black Dragon, but she has a liking for the man next to him, with the name of Ox. They start to fall in love with each other. In an incident, Black Dragon is killed. Black Dragon’s sister and Ox denounce to avenge him.