Living on the French Riviera, John Robie is a retired jewel thief who was once known as 'The Cat.' He catches the eye of Frances Stevens who is a pampered, vacationing heiress. But when a new rash of gem thefts occurs amongst the luxury hotels of the spectacular French playground, it appears that 'The Cat' is on the prowl once again. Robie might be reformed, but is he deviously using Frances to gain access to the tempting collection of fabulous jewelry...

A jealous husband plots to murder his unfaithful wife by hiring a killer to attack her, but the plan goes awry when she kills her assailant.

Guy Haines, a tennis star who hates his wife, is approached on a train by a stranger, Bruno Anthony, who hates his father. Anthony offers a plan: each could kill the other's victim. No motive, no clue would link the two murders save the casual meeting of strangers on a train.

A woman robs her employers and changes her identity. When her next boss catches her, he forces her to marry him.

Story of an Englishman touring Morocco with his wife and child who accidentally becomes involved in an anarchist plot to assassinate a foreign diplomat in London.