A scientist keeps having dreams that he is marked for murder by a mysterious tribunal for something that he's not aware that he's done, and that his wife and his friends are part of the conspiracy. Soon he's not sure which is the dream and which is reality.

When a businessman who has had a double indemnity policy taken out on him dies mysteriously, his insurance company sends an undercover investigator to town to determine exactly what happened.

A missile from parts unknown enters an orbit only 5 miles above Earth's surface and, due to friction from its intense speed through our atmosphere, proceeds to incinerate everything in its immediate wake.

A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.

A convicted racketeer becomes prison trustee when an inmate whom he persuaded to escape is killed.

A co-owner of a race track goes on the run after witnessing something he shouldn't have at the track.