Beauty lies in bondage everywhere in the tropical island of Cheluna. Joanne, a 19-year-old rebel, is sent to detention on Krater Island where obedience and discipline occupy the secret hours of night. Like the dark beauty Shirley Wood and blonde shopgirl Maggie Turnbull, Jo is subjected to unending punishment. When her Krater Island training is complete, Jo's fate is Metron, the palace home of the strange Colonel Mantrique.
