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.

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.

After several years of supporting parts, Victor McLaglen once more landed a leading role in Republic's City of Shadows. McLaglen plays Big Tim Channing, an ageing but powerful gangster who raises young newsboy Dan Mason as his own son. Upon reaching adulthood, Mason (John Baer) becomes a law student, with the covert (and illegal) help of Channing. Despite his checkered past, Mason opts for honesty when he falls in love with Fern Fellows (Kathleen Crowley). This decision ultimately spells the doom for Mason's mentor Big Tim.

Laying on the Missouri-Arkansas border, the neutral Border City, its female mayor and city council, take no side in the ongoing Civil War and they're prepared to hang any troublemaker, Yankee or Confederate, who stirs the townsfolk up.