The Ultimate Experience in Inner Terror. A man tries to uncover an unconventional psychologist’s therapy techniques on his institutionalized wife, while a series of brutal attacks committed by a brood of mutant children coincides with the husband’s investigation.

Killers from the deep guard the forbidden treasures on. After their prison ship sinks in the Caribbean, a group of prisoners and a doctor wash ashore on a seemingly deserted island. They soon discover a strange couple, who invite them to stay at their house. While the prisoners plan an escape, the doctor does some…