Robert Charles

A teenage boy is dealing with the grief of his father leaving, all the while a new relationship is brewing with his classmate.

After several female motorists begin disappearing en route to Twin Falls, a Hollywood screenwriter and the cousin of his bride-to-be discover that they've all been abducted by the mysterious Dr. Marlowe, who is attempting to resurrect his dead wife.

The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.