After his mistress is murdered, a Mafia leader goes after the killer with a bloody vengeance. Soon after the hunt begins, a gang war ensues.

In Apache territory, a supply Army column heads for the next fort, an ex-scout searches for the killer of his Native wife, and a housewife abandons her husband to rejoin her Apache lover's tribe.

The only business in the Wild West town of Jericho that corrupt sheriff Alex Flood doesn't control behind the scenes is the stagecoach owned by tough-willed widow Molly Lang and her right-hand man, Hickman. Former marshal Dolan, recently hired by Lang and Hickman as a driver, wants to stay out of the mess, but when he sees Flood's henchman Yarbrough assault Lang, he steps up to fight the corruption.

While diving for sunken treasure, street-smart gumshoe Tony Rome finds the body of a gorgeous blonde, her feet stuck in a block of cement. Soon after, tough guy Waldo Gronski hires him to find a missing woman named Sandra Lomax, and Rome wonders if there's a connection. He sets about trying to locate the woman, and in no time finds himself mixed up with a beautiful party girl and a slippery racketeer.