A female aerobic instructor is possessed by an evil spirit of a fallen ninja when coming to his aid. The spirit seeks revenge on those who killed him and uses the female instructor’s body to carry out his mission. The only way the spirit will leave aerobic instructor’s body is with the help of another ninja.

Phoenix cop Ben Shockley is well on his way to becoming a derelict when he is assigned to transport a witness named Gus Mally from Vegas. Mally turns out to be a belligerent prostitute with mob ties and incriminating information regarding a high-placed figure.