Following a long investigation, Police Detective-Lieutenant Anthony "Tony" Roberts becomes convinced that there is some powerful unknown-master-mind leader behind the gangs of crooks who are terrorizing the city, and it has something to do with paroled convicts. He sets up a scheme with his supervisor to have himself shamed by being demoted to a patrolman and then caught in the act of receiving bribe-money from a racketeer. He is convicted and sent to prison, and the manner in which his parole is arranged leads him, dangerously, to the secret-head of the gang.

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.

Judge Hardy guides Andy through problems with girls, money and an essay contest.

Former jewel thief Michael Lanyard toys with a princess and a grand duke.

A smooth-talking French thief wangles his way into an important position as prefect of police.

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

Two theatrical producers plan to get even with a demanding actress by tricking her into starring in the worst play they can find.

A circus wild animal trainer searches for the son who was taken away from him by a meddling relative years earlier.

Two professional people marry, but the wife insists that they be celibate for the first three months to make sure they are truly compatible.

A lonely child, neglected by her parents, encounters and befriends a German Shepherd, but she's unaware the animal is a military dog being trained for service in WW2.