Sergeant O'Malley of the Royal Canadian Mounted Police gets himself into a gang of outlaws in order to detect and capture a wanted murderer. He finds the killer, but falls in love with the man's sister. In the meantime, one of the outlaws uncovers O'Malley's true identity.

When two men, one from the city the other a trapper and a woman are trapped in a cabin in the Northwoods after a massive snowstorm. Through the winter a silent bitter struggle develops between the men for the hand of the young woman which ends in the treachery of the city man being exposed and the trapper winning the affections of the young woman after a thrilling forest fire.

Canadian Mountie goes undercover to catch his brother's killers.

Molly Killbride, daughter of the inspector in the Royal Mounties, is in love with trooper Jimmy Hearn, but her father prefers that she marry Harry Morgan, a wealthy young civilian. Morgan, however, is allied with a gang of outlaws headed by Hanley, and when Morgan taunts Jimmy into a fistfight the gang causes him to be railroaded to prison for felonious assault.

The hunter becomes the hunted, an officer of the Royal Mounted, fleeing, fighting for his life. Guided to a secret valley in the frozen North by a hot-blooded French-Canadian beauty, with a secret of her own...

Western star Charles Starrett makes one of his periodic forays into the Great White North in Columbia's Royal Mounted Patrol. When villainous lumberman Frenchy Duvalle refuses to limit his wood-chopping activities, he inadvertently touches off a forest fire. Trapped in the middle of the conflagration, Frenchy's only hope for rescue is mountie Tom Jeffries, presently scouring the countryside in his scout plane. Jeffries' reasons for bringing Frenchy out safely are twofold: he must deliver the renegade lumberjack to the authorities, and he happens to be in love with Frenchy's sister Betty.

Northwest Mounted Policeman faces many obstacles in attempting to apprehend a murderer. He miraculously escapes ambush and learns of the dying murderer's name. After a thrilling fight he secures a confession from his man and saves the girl from disaster.

Two men, Philip Whittemore (Henry B. Walthall) and Thorpe (Harry Northrup) both go to the Northwest to gain the right-of-way for their railroad company from D'Arcambal (Emmett King). Whittemore arrives first and D'Arcambal refuses to meet with him until he saves his daughter, Jeanne (Pauline Starke) from going over the rapids. Then Thorpe arrives and tries to use force by kidnapping Jeanne and insisting that he is her father.

King of the Candian riding police is up against Japs and Nazis who are about to invade Canada. They just want to clear the way with a new futuristic plane called "The Falcon" first, but that's not gonna happen if Kig has his way.

Assigned to catch a gang of outlaws, officers Bruce Kenton and Paddy Halloran rescue Helen Morgan when her wagon is attacked by the very same gang. Through a ruse, Kenton manages to infiltrate the gang, which is holed up in the lawless community of Caribou Flats. While in the employ of villainous trading post operator Jack Blake, Kenton discovers that Blake is not only the leader of the gang but also the man who murdered Helen's brother.

Constable Ward is assigned to track down a mysterious villain known only as The Leader. Trying to locate a secret gold mine, The Leader pits the Indians against the Mounties, whom he blames for creating trouble.

In this north-western set in the Yukon, a Mountie must investigate the violent deaths of three mail carriers.