Cheyenne (1947)

Slick gambler James Wylie Dennis Morgan is apprehended by the law and given the option to forgo a prison sentence if he poses as a bandit His mission is to uncover the identity of the Poet a notorious outlaw who has been holding up bankowned stagecoaches and leaving verses at the crime scenes to taunt the authorities James finds time to woo the Poets lovely wife Ann Jane Wyman who initially coldshoulders him But as a romance develops they partner up to find the robber