Plot

Royal Mounted Policeman Robert Fitzgerald, rescues Joan Cameron from the evil clutches of dance-hall owner Fu Chang, but she falls in love with Tom, Robert's brother, who is carrying on an affair with another officer's wife. Discovered by the husband, Tom apparently kills him; and Bob, believing himself to be dying and that Joan loves Tom, assumes responsibility for the crime and signs a confession. Although Bob recovers, his brother announces his death. When Bob reappears, Tom arrests him; and Bob is about to be lynched when Joan forces a confession from the widow of the slain officer. Tom commits suicide, and Joan realizes her love for Bob.—Pamela Short

Sergeant Georges Mordeaux reprimands Constable Ralph Fitzgerald for drinking on duty. Mordeaux's wife is having an affair with Ralph. Ralph leaves the post to take his brother Bob's place, and to tell him he is to report for duty at the post. Meanwhile, Bob Fitzgerald has been sent to find Joan Cameron. Cameron is being held as practically a prisoner by Fu Chang. Bob rescues Joan, killing Fu Chang in the process.

The two set out for the post, stopping at a deserted cabin for the night. Bob falls for Joan. Ralph arrives and hands Bob his orders. Bob turns Joan over to Ralph and heads out. Ralph turns his attention to Joan, and gets her to agree to an engagement.

Bob discovers Ralph is having an affair with Mrs. Mordeaux and warns him to stop it, but Ralph refuses. While Sergeant Mordeaux is away, Ralph goes to see his wife. But the Sergeant returns unexpectedly. Enraged at what he sees, he attacks Ralph with his whip. During the struggle, Ralph seizes the Sergeant's gun and shoots him to death. Bob rushes in, but Ralph escapes on the Sergeant's dog team. Bob sets out in pursuit of his brother. Ralph seeks refuge with Joan. During the hunt, Bob crashes through ice and is nearly killed, but continues the chase. When he finally catches his brother, Bob is taken ill with pneumonia. Believing he is dying, Bob signs a confession, stating he killed Sergeant Mordeaux, to save his brother from hanging. Ralph takes the confession and returns to the post, where he is given orders to bring Bob in.

Meanwhile, Bob recovers, and as Joan nurses him back to health, she realizes it is he she really loves. The two flee, but Ralph catches them. He handcuffs Bob, bringing him back to the post. Joan pleads with the commanding officer, telling him Bob is innocent, to no avail.

A crazed mob decides they will lynch Bob. Joan then goes to see Sergeant Mordeaux's wife, begging her to tell the truth about the murder. When the woman refuses, Joan drags her in front of the crowd, where she is forced to confess that Ralph murdered her husband. Ralph, unwilling to face justice, poisons himself.