When Lt. John Harkness is assigned as the new skipper of a submarine chaser equipped with an experimental steam engine, he hopes that the U.S.S. Teakettle's veterans will afford him enough help to accomplish the ship's goals. Unfortunately, he finds the crew and its officers share his novice status or only have experience in diesel engines.

The town's leading citizen becomes a homicidal maniac after his wife deserts him.

Roy Martin aka Roy Morgan is a burglar and former war-time Radio & Electronics Engineer who listens in to radio police calls, allowing him to stay one step ahead of the cops.

While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.

In this western, a Spanish-American war veteran cannot find gainful employment. In desperation, he becomes a cattle rustler until he can get back on his feet. Just as he is ready to go straight, his girlfriend's younger brother is shot.

An architect, visiting an English country house, realizes the other guests are familiar from his recurring nightmare. When they share their tales of the supernatural, he is filled with a growing dread.

Newspaper reporter Michael Ward plunges into a nightmare of guilt, fearing that his "evidence" has sentenced the wrong man to death.

Errol is a character actor who wears various makeups, costumes, and disguises when he goes home. His neighbors mistakenly suspect his glamorous young wife is playing around with strange men.

The story of a kindly old lady, her involvement with midget race cars and their drivers.

Gridley is mining silver from an old Mexican mine and bringing it into the USA thru a passage into his worthless mine. Border guard Rogers suspects Gridley and finally finds the secret entrance to the Mexican mine. He sends Lee Madison for help only to have her captured by Gridley. Trigger brings help that takes care of Gridley's men and now Roy has to rescue Madison.