Leader of the murder squad LIP WAN has an adopted daughter CHUNG LI-YIM. He makes up stories saying SUN QIL has killed her family. In order to take revenge, she learns a very dangerous martial arts style called the devil's claws. BEN gets KUEN's help and finally escapes. He finds SUN QIL and learns of the murder's pursuits. SUN QIL does not want BEN to risk his life. He sends him away as LI-YIM seeks him out for revenge. LI-YIM kills SUN QIL and his whole family.