Black Belt Jones II (1978)

aka’s: E Yu Tou Hei Sha Xing/The Tattoo Connection/鱷魚頭黑煞星

When a diamond is stolen in Hong Kong, the CIA sends their best man (Jim Kelly) to Hong Kong to retrieve the diamond. Meanwhile, one of the thieves (Bolo Yeung) begins to have a change of heart when the boss goes too far by threatening his girlfriend. So the former thief and the CIA agent team up to end the reign of the crime lord.