Synopsis: After the wealthy Flying U Ranch owner Sam Talbot is killed by a fall from a horse, reporter Connie Edwards (Dale Evans) enlists the help of newspaper editor Roy Rogers to investigate the rumor that Same may have actually been murdered. Talbot's 12 year-old ward, Duke Lowery (Lanny Rees), inherits Sam's ranch, much to the dismay of Talbot's greedy niece, Jan Holloway (Carol Hughes). Roy, Dale and ranch hand Gabby (Gabby Hayes) set out to prove Han is involved in a threat on Duke's life and possibly Sam's murder.