Hank McHenry and Johnny Marshall work as power company linesmen. Hank is injured in an accident and subsequently promoted to foreman of the gang. Tensions start to show in the road crew as rivalry between Hank and Johnny increases.

David Huxley is waiting to get a bone he needs for his museum collection. Through a series of strange circumstances, he meets Susan Vance, and the duo have a series of misadventures which include a leopard called Baby.

A "love-'em-and-leave-'em" sailor hooks up with a dance-hall girl in Paris while waiting for his ship to sail. She falls in love with him, and when his ship leaves port she decides to show up at its next stop and reunite with her lover. However, when she arrives at the ship's next destination, she discovers that her "lover" has already found another local girl to spend his time with. Complications ensue.

Inspector Killany of the New York City police department is called in to investigate the murder of a subway passenger and the usual-and-unusual suspects climb on and off at each stop.

Rin-Tin-Tin leaves his usual far north and ranch settings for Africa.

A prisoner about to be pardoned puts it off until he can put on one last variety show for his fellow inmates.

Big Steve Halloway, gambler and proprietor of New York's Horseshoe Cabaret, is in desperate need of money. He arranges for his fellow bookies, especially Sorrowful Jones, to each pay him $1,000 for his racehorse, Dream Prince, to lose. With all bets being placed at the window, Sorrowful encounters a gambler, having lost $500, wanting to place his bet but unable to come up with $20. Instead, he places his little girl, Marthy Jane, as security, or in bookie's terms a "marker". "Marky", as she comes to be known, winds up under the care of Sorrowful Jones and his lady friend, singer Bangles Carson.

Nick and Nora Charles investigate when Nora's cousin reports her disreputable husband is missing, and find themselves in a mystery involving the shady owners of a popular nightclub, a singer and her dark brother, the cousin's forsaken true love, and Nora's bombastic and controlling aunt.

Lively June, teen-aged daughter of mystery writer Waldo Everett, who calls her "Angel," becomes involved in intrigue centering on movie star Pauline Kaye and her companion Stivers. Reporter Nick Moore, once sweet on Pauline, is convinced that her sudden disappearance is a publicity stunt, which is true -- until gangster Bat Regan decides to get involved.

A prosecutor quits his job and becomes a defense attorney when he finds out that a man he got convicted and executed was actually innocent.