 Canadian bush pilot Red North (Austin Willis), in love with school teacher Hilary Ward (Rochelle Hudson), encounters trouble when his half-brother, Paul Girard (Jack La Rue), muscles in on his territory and his girl. During their feud, Hilary s brother, Chuck Ward (Frank Perry), is killed in an air crash and she blames Red. When Paul is chosen for a dangerous mission flying nitro, Hilary volunteers to guide him. They crash and the dying Paul confesses he was the one responsible for the death of her brother.