This movie is "Rose Marie" and story line : Rose Marie Lemaitre, an orphan living in the Canadian wilderness, falls in love with her guardian, Mike Malone, an officer of the Royal Canadian Mounted Police. The feeling is mutual. But, when she leaves to learn proper etiquette, Rose Marie meets a trapper named James Duval, who also falls for her. Further complications arise when Native American Chief Black Eagle -- a rival of Duval's -- is murdered..