Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case.

Marc Hill is the attorney for Emmet Devrey, a real estate developer with a past, who is being blackmailed by his former partner Sam Baggett. When Sam's unfaithful wife Marge cooks up a scheme with her used car salesman lover Jeff Calder to bilk both Devrey and her alcoholic husband, Sam is killed and Devrey is accused of the crime. Mark is called to prove his employers innocence.

Story of a salesman lured into the "hot car" racket.

Cruze arrives in town and when he stands up to the three Moran brothers, he gets appointed Marshal. First the brothers kill a rancher while framing another man. But when the jailer is murdered, Cruze gets evidence the Morans did it. He tries to raise a posse to chase them down but the townsmen refuse to go. So he rides off by himself to face the three of them.

A greedy, scheming woman is found murdered in her studio, and the police find that there is no shortage of suspects who wanted to see her dead--among them a rich husband she wouldn't divorce unless he paid her a huge settlement, a lover she caused to be fired from his job and an assistant whose fiancé she tried to seduce.