A woman fights to convince the police that she witnessed a murder while looking out her bedroom window.

Tyrone Power stars as 19th-century Royal Canadian Mountie Duncan MacDonald, whose job it is to escort a group of Cree Indians back to their above-the-border reservation. His guide in this endeavor is the not-too-trustworthy half-breed Natayo (Thomas Gomez). Along the way, he tries to free two white captives of the Crees, escaped convict Jess Calhoun (Robert Horton) and Jess’ sister Emerald (Penny Edwards). Calhoun nearly messes up the whole operation when he impulsively kills the brother of Chief Konah (Cameron Mitchell).