A female aerobic instructor is possessed by the soul of a fallen ninja when coming to his aid. The spirit seeks revenge on those who killed him and uses the instructor's body to carry out his mission. The only way the spirit will leave her body is with the help of another ninja.
Based on the memoirs of Josephine Marcus Earp, a young opera singer from San Francisco, this docudrama tells the story of how she became the wife of legendary lawman Wyatt Earp.