Lightning Triggers (1935)

Reb Russell Reb Russell undercover agent for the Cattlemans Protective Association goes into the stronghold hideout of rustler chief Bull Thompson Fred Kohler posing as an outlaw He falls in love with Marion Bulls stepdaughter Juan Dick Botiller a gang member once jailed by Reb reveals Rebs true identity but he will be given his and Marions 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 Thompsons own son whom he last saw as a baby when Thompson then known as Big Bill Russellwas 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