The Head Hunter(1982)

Former Vietnamese soldier Nguyen Dich (Chow Yun-Fat) comes to HK after the Vietnam war, as a professional killer for a gang leader. Here he meets and falls in love with Vicky Lee (Rosamund Kwan). He is ordered to kill her father, and later given the order to kill her too as she started to suspect him. She then discovers that he is responsible for her fathers death...