Tiger is the owner of a brothel who moonlights as a kung Fu artist under the watchful eye of “Master.” They run into serious trouble when ninjas inexplicably show up and jeopardize Tiger’s prostitution ring.

Two escaped convicts are found hiding in a rocket ship built by a renegade inventor, who forces them to become the crew for a trip to the Moon. Also on board, as inadvertent stowaways, are his assistant and his secretary; and none of them are aware that the inventor is actually a Lunarian explorer sent to Earth by the dying Lunar civilization.