In stifling Edwardian London, Wendy Darling mesmerizes her brothers every night with bedtime tales of swordplay, swashbuckling and the fearsome Captain Hook. But the children become the heroes of an even greater story, when Peter Pan flies into their nursery one night and leads them over moonlit rooftops through a galaxy of stars and to the lush jungles of Neverland.
Reb Russell (Reb Russell), undercover agent for the Cattleman's Protective Association, goes into the stronghold hideout of rustler chief Bull Thompson (Fred Kohler) posing as an outlaw. He falls in love with Marion, Bull's step-daughter. Juan (Dick Botiller), a gang member once jailed by Reb, reveals Reb's true identity, but he will be given his and Marion's freedom to leavy the valley if he can beat Thompson in a fight. He does, but Butch Greer (Jack Rockwell), a gang member trying to take over from Thompson leads the gang after the pair, after first revealing to Thompson that Reb is Thompson's own son, whom he last saw as a baby when Thompson, then known as Big Bill Russell,was forced to flee the law. Thompson and loyal gang member Blackie (Edmund Cobb), who was once helped by Reb, go after the gang in an effort to help Reb and Marion escape.
After Slug Raton takes Brady's horse, hat, and gun, the Sheriff arrests Grady thinking he is the outlaw. Slug's men chase them to Ricard's ranch which they burn. After Grady saves the Ricard's from their burning house, Betty Lou saves Grady from hanging at the hands of the masked vigilantes. Grady recognizes the voice of Raton among the vigilantes and now knows who to go after.
Cattlemen Protective Agent Reb Russell arrives to try and stop the cattle rustling. He gains a friend when he saves Jack Thorn from Lenahan and his men. They hire on at the Lund ranch and when her cattle are rustled and she is kidnaped they follow the trail, It's Lenahan and his gang and Reb soon finds himself a prisoner.