Karate vs. Mafia (1981)

Plot

Lai Chao, a skilled kung fu practitioner and sailor, is unwittingly entangled in a global diamond smuggling operation. As he navigates this treacherous world, both the authorities and a ruthless mafia boss, along with his masked enforcers, are hot on his heels. To survive, Lai must unleash his martial arts prowess against a relentless wave of kung fu assassins lurking at every turn. The stakes are high, and every battle could be his last as he fights to escape this dangerous game of crime and deception.