An aggressive agent turns a hotel porter into an overnight sensation.

Newspaperman Bill Bradford becomes a special agent for the tax service trying to end the career of racketeer Nick Carston. Julie Gardner is Carston's bookkeeper. Bradford enters Carston's organization and Julie cooperates with him to land Carston in jail. An informer squeals on them. Julie is kidnapped by Carston's henchmen as she is about to testify

Owen, a small time bookie, decides to open an insurance business as it involves lesser risk. His first client is Colonel Youngblood who insures his daughter, Marilyn, against marriage.

G-Man Jeff Crane poses as a crook to infiltrate the notorious Purple Gang, a band of hoodlums which preys upon other hoodlums. Orchestrating the jailbreak of the gang's leader, Crane joins him in a Dillinger-like flight across the country.

Well respected local good guy, "Feet" Samuels finds himself heavily in debt due to an uncharacteristic gambling binge. Feet decides the only way to settle the bill is by selling his body to an ambitious doctor who agrees to allow him one last month to live life to the fullest, then kill himself.

Managing Editor Brad Bradshaw refuses to run a story linking the disappearance of Frank Canfield with embezzlement of the bank. He considers Frank a straight shooter and he goes easy on the story. Every other paper goes with the story that Frank took the money and Brad is demoted, by the publisher, to the Heartthrob column - writing advice to the lovelorn. After feeling sorry for himself for two months, he takes the column seriously and makes it the talk of the town. But Brad still wants his old job back so he will have to find Canfield and the missing money.

As a luxurious ocean liner makes its way across the Atlantic Ocean, the audience is made privy to the travails of several of its passengers. Edmund Lowe heads the cast as Monty Greer, a suave gambler who falls in love with Judy, the daughter of immigrant lens grinder Rudolph Kramer. In trying to recover some valuable securities stolen from banker Henry Graham, Greer finds himself in the middle of a fierce gun battle in the ship's engine room. Meanwhile, Graham, who has been cheating on his wife Kay with sexy dancer Sigrid Carline, is murdered by person or persons unknown.