Captain Biff Brown owns a boat used to ferry prisoners from the mainland to Alcatraz. The police find some escape tools on his boat and, although Brown isn't involved, his contract is terminated and he goes back to tuna fishing. Brown takes his friend Sanderson to his boarding house and introduces him to his sweetheart Madge Harris and Sanderson also falls in love with her. A gang headed by Red Mason and trying to escape the country bribe Brown's engineer, Venatti, and are hiding on the boat the next time Brown and Sanderson take it out. They take over the boat but a storm is approaching...

A radio reporter begins to suspect that a commentator at his station may be using her position to broadcast shipping information to enemy spies. With the help of the girl's sister, he sets out to expose the spy and her Nazi gang.

A singing territorial ranger (Gene Autry) spots his younger brother in an outlaw gang.

BBlondie opens a bakery in her home to help fill the family cookie jar. Her tasty cookies become so popular that a cookie magnate makes her an offer that is difficult to refuse. Unfortunately, this creates all kinds of problems for the Bumsteads.

A telephone operator plays homicide detective with her boyfriend, making it harder for the police.

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.

Construction workers in World War II in the Pacific are needed to build military sites, but the work is dangerous and they doubt the ability of the Navy to protect them. After a series of attacks by the Japanese, something new is tried, Construction Battalions (CBs=Seabees). The new CBs have to both build and be ready to fight.