This tale of intrigue finds Valentina Cortese involved in an assassination plot. She helps the police apprehend the conspirators after an innocent bystander is accidentally killed.

A man and his wife take to their house some men they rescue from a road crash and then find they have picked up some dangerous criminals.

David and Monty are two friends of Susan and Betty Potter whose father runs a fleet of lorries. One by one, his lorries are involved in accidents and sabotage is suspected. The children are determined to find the culprits.

When Celia Crowson is called up for war service, she hopes for a glamorous job in one of the services, but as a single girl, she is directed into a factory making aircraft parts. Here she meets other girls from all different walks of life and begins a relationship with a young airman.