A twentieth-century college professor is sought out by a woman of the twenty-sixth century to help her locate a power-crazed scientist who has left the future to change a significant event in the past in order to alter the future. Their manhunt stretches from the year 2586 back to 1886.

A twentieth-century college professor is sought out by a woman of the twenty-sixth century to help her locate a power-crazed scientist who has left the future to change a significant event in the past in order to alter the future. Their manhunt stretches from the year 2586 back to 1886.