The Maverick Queen(1956)

Kit Banion, a Virginia-born beauty and product of post-Civil War chaos, has settled in Wyoming and prospered; acquiring a fortune and a hotel, which, like the owner bears the name of "The Maverick Queen."---a title picked up by Kit in her earlier days in Wyoming when she took every unbranded steer and put her own brand on it. Love and trouble enter her life in the person of a Pinkerton detective posing as Jeff Younger, nephew of the infamous Younger brothers. He is dedicated to catching Butch Cassidy and the members of The Wild Bunch