From the movie serial Manhunt of Mystery Island comes damsel Claire Forrest, played by the beautiful Linda Stirling. It seems Ms Forrest's father is missing and she and the movies hero, Lance Reardon (Richard Baily) have come searching for him. From there on, Claire finds herself put in numerous peril, courtesy of the movies villian, Captain Mephisto (Roy Barcroft). Not just a helpless damsel, Claire manages to kick one bad guy and shoot another, both while bound and gagged. One of the better serials from the Republic company.