Belle Starr.

Belle Shirley (Gene Tierney) vows to take revenge after her family's mansion is burned down by Yankee soldiers for hiding the rebel leader Captain Sam Starr. She joins his small guerrilla group for a series of raids on banks and railroads, carpetbaggers and enemy troops. The pair get married, but their relationship starts to break down when Starr lets a couple of psychotic rebels into the gang.