The film starts when a mines proprietary shipping a load uranium is attacked .Later the mines passes into a rancher owner named Bennet(Grant Withers,who played for John Ford and appeared over 200 movies until his suicide),he reclaims the company which sends to Roy Rogers(1914-1998) as an undercover insurance agent.Posing as a cowboy looking for employment,he gets a work along with a crew called ¨the riders of the purple sage¨ .Meanwhile happen songs alongside with a secretary(played by his spouse Dale Evans), pursuits and struggles against the uranium smugglers.He must avoid the robbers from taking off an airplane with the stolen load and he gets an exciting final confrontation on high voltage tower.The movie contains action Western,suspense,shoot outs,fighting and is quite entertaining.The film is produced by Republic picture, usual in serials of low budget .The motion picture is well directed by William Witney ,a prolific director of short budget and TV episodes(Daniel Boone, Bonanza,Virginian).
The picture is starred by famous Roy Rogers,he played in various musical groups,in 1934 he formed a group called sons of pioneers,they appeared in numerous Westerns(Rhythm on the range,Son of the pioneers,On the Spanish trail among others).Roy was married three times.Arlene Wilkins ,his second wife,died a few day after giving birth to their son,¨Roy Rogers Jr or Dusty¨ and Dale Evans his third spouse,became his four children's mom .Inducted along with his wife Evans into the Hall of great Western performers of the National Cowboy and Western Heritage Museum and also as member of the Sons of pioneers.Their nicknames were,Roy as ¨King of cowboys¨, Dale Evans ¨Queen of the West¨and Trigger ¨Smartest horse in the movies¨. Roy got his horse ¨Trigger¨in 1938 and rode him in every one of his film and TV shows after that.He had appeared in one early movie,being ridden by Olivia de Havilland in ¨¨ The adventures of Robin Hood¨. Trigged died in 1965,aged 33 years.