Mike, Jean, Shoot and Q are a professional gang working for Uncle Lam. Shoot is in love with Jean, but shes already in love with Mike whos married to Cindy with whom he has a young son; Q meanwhile has a girlfriend called Bo who always pushes him to take unnecessary risks, jeopardising the gang. Their most recent job was to steal a case of diamonds from Fat Chiu, overpowering him with their gunfire. But while the foursome want to get out, they are pressured by Uncle Lam to take one more case: relieving triad boss Chicken Sam of the diamonds he keeps in a very private place. Meanwhile Officer Tom is closing in...