A chorus girl's career is ruined and her brother is driven to suicide when she starts smoking marijuana.

Rancher "Utah" Neyes crosses the border into Canada to meet his partner, only to find that the latter has been murdered by a gang led by "Nails" Nelson. "Utah", with the aid of RCMP Jack Craig and fur-trapper Ivy Jenkins, manages to clear his own name of suspicion and also break up Nelson's fur-stealing and smuggling racket.

Adventuring author Jean Williams is living in the wilds of Alaska alongside the Eskimo people gathering material for her novel. She befriends several animals who become her loyal friends such as a pair of bear cubs whose mother has been killed by hunter Gaston Rogers, a talking raven and the bereaved collie Firefly who will not leave the grave of her master, a game warden killed in the line of duty. The community is imperiled by a pack of wolves and wild dogs, led by a wild dog called Swift Lightning, who are killing all the reindeer. With the supply of fresh meat gone, the Eskimos are migrating to lands with more food. Hunter Gaston agrees to take Jean to Nenana, Alaska, along with his furs by dog sled. Jean, who despises Gaston as being more savage and blood thirsty than the four-legged predators, is followed by her loyal animals.

Brash hoodlum Tom Connors enters Sing Sing cocksure of himself and disrespectful toward authority, but his tough but compassionate warden changes him.

Magazine owners sell a revealing photo, then play detective when the deal leads to murder.

A private eye and his girlfriend avenge his buddy, stabbed over a jade dragon.

An insurance salesman, Albert Tuttle, is hired as a body guard for a millionaire.

Don Gregor, the son of famous plastic surgeon Dr. Boris Gregor, begins to hang around with young criminal Vic Brady and carry a gun. The pair attempt an armed holdup, and when things start to go wrong Gregor accidentally kills a night watchman. Fearing that Gregor plans to turn himself in, Brady kills him and blackmails Dr. Gregor into giving him a new face.

The Three Stooges travel West where they become heroes by nabbing a gang of would-be robbers.

A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard his private ship.