Tennessee's Partner (1955)

A tough, womanizing high-stakes gambler known only as Tennessee has an uneasy relationship with Duchess, madam of a thinly-disguised bordello, and no other friends at all. But he's saved from murder by a lonesome cowpoke ('My friends call me Cowpoke'), in town to meet his fiancée Goldie on the steamboat. When she arrives, there's a mysterious undercurrent between Goldie and Tennessee, whose newfound friendship with Cowpoke is destined to be severely tried...