In this heart-warming drama, a beggar and his performing dog, Flip, struggle to eke out a living upon the cruel streets. He is hired to perform at a rich kid's birthday party. There, the beggar is offered $500 for his beloved dog. He refuses and again hits the streets. Soon he becomes so impoverished that he can no longer provide food for his four-legged friend; he sells him for $20. The beggar is then beaten and robbed. Later he learns that Flip died. The man soon follows the dog to heaven where they begin performing for God.
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.
Racketeer Gillin is paroled from prison and immediately goes to work trying to make an illegal buck from America's war effort. With rationing in effect the black market tire business is booming. Gillen's mob sets up car lots around town where they peddle stolen tires and "new" tires milled in the gangster's factories from cheap faulty materials. People begin to die in crashes as the defective tires fail. Bill Barry leads his fellow defense plant workers on a crusade to uncover the source of the black market rubber and bring the guilty to justice. Although clearly intended to warn the public about black market tire smuggling, Rubber Racketeers holds it own as a saga of mobsters versus an irate public.
A legal secretary with a loving family who is happily engaged to a successful young attorney receives a surprise visit from her bad-news former boyfriend, a jewel thief just released on parole who has no intention of going straight. The visit triggers a series of events resulting in a trial for attempted murder.
A gang of racketeers, with the aid of a high-ranking city official has control of a big-city, and the police plant an undercover cop to gather evidence against the hoodlums - except the police keep telling the wrong person what they are up to.