The Dragon Squad (1974)

When a case of gold is stolen in transit, the surviving member of an escort party, Sung (Kam Kong) tries to recover it. He initially turns to Master Wu (Chen Sing) who unfortunately develops a drinking problem after he gets out of prison for accidentally killing someone. He has felt guilty ever since. Wu's friend Hung (Chang Yi) decides to help Sung and enlists a conman, Sau Pau (Jimmy Wang Yu).