Small-time businessman Charles Engle is threatened with exposure for embezzling $3,000 for his free-spending wife. Deciding on suicide, he scribbles a note, stuffs it in his pocket and goes for one last night on the town. He is pulled into a poker game by conman Bill O'Brien and singer Nina Barone, but when they discover the dropped note, they resolve to turn the tables, get Engle his $3,000 and save his life.

A murder is committed during the auction of a valuable statue. The prime suspect is Boston Blackie, whose reputation for living on the edge of the law makes him an easy target for the police. When the body disappears, Blackie must find it to prove his innocence.

Richard Walters is condemned to death for a murder he claims not to have committed. He arrives on death row just before a brutal inmate leads the other convicts in a violent uprising. Walters gets caught up in the riot, while on the outside his friends are trying to find evidence of his innocence.

A vaudeville comic and a pretty young dancer aren't having much luck in their separate careers, so they decide to combine their acts. In order to save money on the road, they get married. Soon their act begins to catch on, and they find themselves booked onto Broadway. They also realize that they actually are in love with each other, but just when things are starting to look up, the comic starts to let success go to his head.

In a saloon shooting, a cowboy thinks he killed Prince Katey, a man he closely resembles. Cannonball arrives and thinking the cowboy to be Katey, gets him to return to the Katey ranch where the mother is in trouble. She thinks her missing son has returned and even though the Sheriff is chasing him, he decides to take up the mother's fight against the man who is trying to throw her off the ranch.

"Light Fingers" is both the name and the physical description of this film's hero, a dapper petty thief.