 It is revealed that Lisa is the daughter of a scientist, under the employ of Glock (Clement von Franckenstein), who is being forced to develop a nerve gas for a Latin American despot.Before the American Ninja and Hiro can rescue Lisa and her father from "Viper", the mysterious ninja that appears and reappears with a puff of smoke, the American Ninja must reawaken the ancient ninja tradition within Hiro with a 5-minute training montage.Viper is defeated in a climactic airplane battle scene, and Joe returns to South Florida to kiss Lisa on the bow of his boat.