A Greek Fisherman brings an Atlantean Princess back to her homeland which is the mythical city of Atlantis. He is enslaved for his trouble. The King is being manipulated by an evil sorcerer who is bent on using a natural resource of Atlantis to take over the world. The Atlanteans, or rather the slaves of Atlantis, are forced to mine a crystalline material which absorbs the suns rays. These crystals can then be used for warmth. The misuse of science has created weapons out of the crystals that can fire a heat ray to destroy whatever it touches.

A hypnotist uses his powers for revenge against King Louis XV's court.

An ex-con finds unexpected romance with the widow of his former accomplice as he tries to collect his hidden loot.

To help with an upcoming election, a bookstore clerk is indicted for selling obscene material. The defense attorneys need to find the mystery of the original publication of the book.

A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.

A young neurosurgeon inherits the castle of his grandfather, the famous Dr. Victor von Frankenstein. In the castle he finds a funny hunchback, a pretty lab assistant and the elderly housekeeper. Young Frankenstein believes that the work of his grandfather was delusional, but when he discovers the book where the mad doctor described his reanimation experiment, he suddenly changes his mind.