Kit Madden is traveling to Hollywood, where her best-selling novel is to be filmed. Aboard the train, she encounters Marines Rusty and Dink, who don't know she is the author of the famous book, and who don't think much of the ideas it proposes. She and Rusty are greatly attracted, but she doesn't know how to deal with his disdain for the book's author.

A charming racketeer seduces the DA's stepdaughter for revenge, then falls in love.

An innocent trucker takes it on the lam when he's accused of robbery.

A diver saves his best friend's life but loses his own arm in doing so. Later, unable to find work because of his missing arm, he is forced to go to work for a criminal searching for lost treasures. Meanwhile his friend, who has since become a policeman, finds himself assigned to break up the crook's operation and bring in his gang--including the man who saved his life.

Singer Joan Whitney, called the "Sweetheart of the Navy" by sailors, is struggling to re-open the Snug Harbor Cafe. After her partner, Richard, skips town with the money owed to their creditors, the club opens unceremoniously. Two of Joan's sailor friends, Andy and Pete, offer to help her raise money for the club by staging a fight with Bumper Martin, boxing champion of the fleet. At Andy's request, straight-laced yeoman Eddie Harris replaces him in the upcoming fight. Andy and Pete then intimidate or coerce the sailors into betting on the fight, promising to give Joan the profits. Navy Commander Lodge, who is grooming Eddie for the Naval Academy at Annapolis, is against the fight, however, and Joan decides to "vamp" Eddie to make him fight.

Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.

The Bowery Boys--Slip, Sach, Bobby, Whitey & Chuck--start their own exterminating service, and get a job which takes them to a spooky old abandoned mansion in the middle of the night. Meeting up with pal Gabe and his new French bride, the boys are tormented by mad scientists who try to convince them the place is haunted and then kidnap Sach in order to place his brain inside a gorilla.

A rancher finds that his stock of horses is mysteriously being depleted, and discovers that a ranch near him has had a sudden upsurge in its horse population.

A dizzy young girl falls into crime but wins her lawyer's heart.

When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan and Mullivan to act as bodyguards. In short order, we discover that there is more to the attorney than meets the eye, and the ape may be innocent after all. When a pretty young heiress faces peril, it's up to our heroic trio to save the day.