In Mount Gorpus, Montana, Kyle Lawson (Britt Lomond) is framed for the murder of Lawrence Kelland. Kyle had been having an affair with Kelland's wife, Leona (Dana Wynter). The Virginian and Trampas, friends of Kyle, go to Mount Gorpus to investigate the crime. Posing as a cattle buyer, the Virginian begins romancing Leona. Leona eventually confesses to the murder but the Virginian is not so sure she is guilty.
