Tubercular Frank James has become a born again and retired from his career as an outlaw with his family but a look-a-like outlaw causes suspicion to fall back on him.

An arson investigator goes undercover to break up a ring that sets fires in order to collect the insurance.

Hank Wilson is a driver for a truck for a big transportation company which is in financial straits. He is in love with Doris Lacy, a waitress at the truck-stop where the company has its truck fleet serviced. Frequent accidents near the place leads the company to hire a private detective to investigate, and when the detective is murdered Hank is arrested as a suspect. The insurance company that covers the fleet has him released and he is sent back to work with instructions to investigate the accidents on his own. The trail leads to the uncle of Doris, and one of the part-owners of the company.

A woman marries a man for his wealth, then concocts a plan to kill him, take his money, and run off with her lover. Things go wrong when they accidentally kill the wrong person.

Atomic scientist/pilot Doug Martin is missing after his plane crashes on an reconnaissance mission after a nuclear test. Miraculously appearing unhurt at the base later, he is given sodium amethol, but authorities are skeptical of his story that he was captured by aliens determined to conquer the Earth with giant monsters and insects. Martin vows to use existing technology to destroy them.

A World War II European orphan, Paul, has lost all faith in humanity. Brought to the United States by Father Mathew, Paul's confidence and faith are gradually restored through his close association with a dog, Rin-Tin-Tin.

Dr. Kildare treats and falls for impoverished ex-con Janet Haley, widow of a bank robber, who can't find her baby. Later she helps Kildare sew up gangster Hanlon in a tavern back room. Kildare pursues Janet and enlists Hanlon to help her; the gangster's solution, not surprisingly, is violent.

Giant robots from Venus invade Chicago. Stranded in the deserted city are Frank and Nora (who has recently attempted suicide). They meet a celebrating couple at a café, Vicki Harris and Jim Wilson. The quartet escape the robot patrol and take refuge in a large hotel. There, they encounter a new danger in Davis, a psychopathic killer.