MAN has recently resigned from his job and is very depressed. He goes drinking at a pub with his friends. Soon, he is drunk. They take him back to their flat. MAN, waking up to find a girl PING lying beside him, feels very embarrassed. Right at this moment, the police break in to arrest them. At the police station, MAN meets with his brother SANG, who is an inspector. SANG, thing that MAN has fallen among evil companions,refueses'to bail him out. On the other hand, FAN's cohabiting girlfriend ELAINE moves out suddenly. FAN goes to the studio to find her and is angry to see SANG there. In anger, FAN starts fighting with SANG. FAN is arrested and is detained at the same police station as MAN.

MAN is unhappy with SANG and refuses to stay with him. ELAINE suggests him to stay with FAN. PING suddenly calls on MAN at FAN's house. She insists to stay with MAN at FAN 's house. FAN is very upset and goes gambling at a casino. He asks MAN to wait for him outside. Shortly afterwards, a gang break in the casino and rob away 2 bags of heroine. Meanwhile, the police also arrives. PETER, one of the gang members, mistaking that MAN is one of them, hides the drugs in MAN's car.