Brian and Charlie work for a gangster. When the boss learns they want to "leave" he sets them up to be killed, after they help rob the local Triads of their drug dealing profits. B&C decide to steal the money for themselves, but when their escape doesn't go to plan, they have to seek refuge in a Nuns' teacher training school.
2 criminals want out but their boss kills those leaving. When the men are ordered to rob the triad, they keep the money and hide from the boss, triad and police at a convent, dressed as nuns.