Tom 'Cheyenne Tommy' Wade (
Tom Tyler), is a lawman who poses as a gang member in an attempt to expose Girard (
Lon Chaney Jr.), a fraudulent cattle thief. He steals one thousand dollars from the thief, promising to return it if he can join the gang, while plotting a way to expose them as thieves. As Cheyenne is let into the gang, he begins to blackmail the leader, forcing him to let more law enforcers join the gang, eventually outnumbering them and finally arresting the thieves for good. ==Cast==