Desc: Hei dai hen: Directed by Sum Cheung. With Ti Chen, Chok-Chow Cheung, Enny Christina, Fu Hu. After an eventful day at the International Karate Tournament, our hero Robby, an ex-police man returns home to find his mother has keen brutally murdered and his blind sister raped. In his fury and anger he sets out on the trail of the murderer with the help of his old friend, Peter, a police inspector.