The film is an odd retelling of the story of Hercules battling the wizard Minos, who uses “science” in an attempt to take over the world. Hercules must stop him and rescue his princess love in the process. Part of the adventure finds Hercules battling giant robots brought to life by stop motion animation.
Julie (Rosemary Dexter) is disturbed by the disappearance of her psychiatrist boyfriend Luca (Horst Frank) following a bizarre dream where she witnessed him murdered. She travels to a seaside village where he might be and encounters Frank (Adolfo Celi), who tells her Luca has indeed been there. Julie’s investigation leads her the house of Gerta (Alida Valli), where the mystery deepens among the odd characters residing at this artists enclave.
The wife of a wealthy industrialist finds herself caught-up in a web of intrigue & murder which was created by her own deceit. When she tries to escape the results of her actions, she too falls victim to deception.
When a man-eating cave creature appears with a fortune in uncut diamonds around his neck, Dr. Chambers’ daughter Denae hires adventurers C & C Salvage to find the underground source of the gems. Accompanied by archeaological intern Andrew Paris, mineralogist Prof. Strock, and C&C’s scruffy owners Cort Eastman and Eddy Colchilde, Denea’s hopes of emerging from her famous father’s shadow become as remote as getting out of the caves alive!