Mad Mission 4: You Never Die Twice (1986) Supt. Nancy Ho (Sylvia Chang) is kidnapped by villains who want to obtain a hi-tech prism, created by a Hong Kong professor, that can grant superhuman powers. In exchange for Supt. Ho's return, King Kong (Samuel Hui) and the professor's daughter Sally (Sally Yeh), later joined by Albert "Baldy" Au (Karl Maka) and Baldy Jr. (Cyrus Wong), fly to New Zealand to deliver the hi-tech prism to the crooks. However, not allowing to let the crooks succeed, they must band together to prevent the prism from being used.