The principal and other teachers want to force CHE KEI to leave the school because of his misbehaviour. MAN HIN tries to help him and also visits his family in order to understand his family background. CHE KEI' s mother died during his early childhood. Since no one takes care of him, he is very naughty. The only one that he respects and fears is his elder brother, CHE HO. CHE KEI mistakes that MAN HIN tells his father all his misbehaviour. The gap between them is thus further widened. CHE KEI goes with sane black sheep and is beaten up in the street. Fortunately y he is saved by MAN HIN. CHE KEI is impressed. The relationship between them becomes better. CHE KEI wants to have a date with KA YAN although he is refused by her. Since the crime rate increases, the police asks CHUNG YEE' s daughter, FONG TUNG, to go out at night in order to lure the suspect into a trap. FONG 'IUNG meets the sex maniac and is almost raped……