When a large forest fire breaks out in the mountains of Montana, a squad of 'Smoke Jumpers', the paratroop-corps of fire-fighters in the U. S. Forest Service, is flown to the scene from their regional headquarters in Missoula, Montana. The Forest Rangers, under Cliff Mason, put out the blaze, but several of the fire-fighters are killed. Ed Miller, son of one of the dead rangers, thinks he died because Mason was a coward, and sets out to prove it.

Gruff gumshoe Francis Hogan is hired by a mysterious woman to find her boyfriend who has gone missing. With his perpetually hungry partner in tow, Hogan must untangle a web of intrigue involving the criminal underworld and a dead courier. One double-cross follows another as Hogan investigates the whole sordid affair.

The crew of a U.S. Navy ship in World War II goes into battle against the Japanese fleet.

A steel samurai blade that was to be given to the American ambassador by the Emperor of Japan is stolen. American sailors and Japanese samurai are sent to find it.

In 1875 Argentina, after killing a man, a gaucho is sentenced to harsh army duty but he deserts the army and becomes a bandit leader.

Mike and Tony Petrakis are a Greek father and son team who dive for sponges off the coast of Florida. After they are robbed by crooks, Arnold and the Rhys brothers, Mike decides to take his men to the dangerous 12-mile reef to dive for more sponges. Mike suffers a fatal accident when he falls from the reef leaving Tony to carry on the business. But now he has a companion, Gwyneth Rhys.

An aging Texas cattle man who has outlived his time swings into action when outlaws kidnap his grandson.