sentences:  In Red River Valley, Banker Hartley Moore (Frank LaRue) schemes to sabotage the efforts of citizens to secure water rights in order to win water profits for himself.Following the murder of five men who were overseeing the completion of an irrigation system, Gene Autry (Gene Autry) is hired for the dangerous job of "ditch rider", in charge of patrolling the ditches to prevent malfunction or sabotage.At the Red River Land and Irrigation Company, Steve Conway (Boothe Howard) works for Mary Baxter (Frances Grant) and her father, George Baxter (Sam Flint).