As one of the founders of the town of Lincoln, John Chisum is increasingly worried as Lawrence Murphy moves in on the local stores, bank and land by questionable means. Chisum and fellow honest ranch owner Henry Tunstall try and use the law, but Murphy owns that too. Confrontation threatens and Tunstall's man Billy Bonney is not slow to get involved.
A man with a fixation on Humphrey Bogart gets plastic surgery to make him look exactly like Bogart. Then he changes his name to Sam Marlowe (after Sam Spade and Phillip Marlowe, two of Bogart's most famous characters), hires a ditzy blonde secretary, and opens up a detective agency. His first case is one that would do Bogie proud...