Four Real Friends (1974)

The Four Top Living Martial Artists, Street Fighters All in One Motion Picture

When a case of gold is stolen in transit, the surviving member of an escort party, Sung tries to recover it. He initially turns to Master Wu 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 decides to help Sung and enlists a conman, Sau Pau.