On the night express train from Los Angeles to San Francisco everyone’s a suspect when a jewelry magnate is found stabbed to death and an escaped killer is feared on board. It’s up to newspaper reporter Jimmy Hawley (Ben Lyon) to unravel the secrets of the motley group of passengers and find the killer before he strikes again in this tense and atmospheric whodunit.

A wealthy couple's marriage is falling apart due to the man's infidelity. The wife's male friend has long loved her and sees his big opportunity.

An opera diva sets her sights on a womanizing army officer.

Marilyn Parker decides not to accompany her husband Rex on his business trip to Europe when she receives a surprise visit from her mother.

A cowboy looking to sell an inherited ranch changes his mind after a female neighbour arrives on the scene.

The Haddocks are going on a European vacation and from their reception at the station, where the whole town goes to see them off, it is clear who wears the pants in the family - it's their daughter Mildred. Her parents often proclaim she is a genius - but she is just smarter than them, which wouldn't be too hard! On the train, Finn meets shyster Harry who sizes Finn up as a sucker and quickly wires his partner Bessie, aka "The Princess" to make Finn's acquaintance and take him for everything he has.