Frisco Tornado is a riveting film about Rocky Lane (Allan "Rocky" Lane) in his usual role as a United States Marshal. This time, his target is a dishonest insurance company which is advertising that they offer protection against bandit raids. Rocky soon finds out that the insurance company themself is orchestrating the raids. The main perpetrator in the insurance company is Big Jim Crail (Stephen Chase). He is the main person behind the idea and the person who has been conning people out of their goods and money. Rocky is called to the scene by stagecoach line owner Nugget Clark (Eddy Waller), who has decided to face the insurance company by himself. The two men band together to take down Big Jim Crail and get the small town back on its feet after Jim has taken money from almost every resident of the town. It is a thrilling western movie that will keep you riveted throughout the whole movie.