 Seeking Indian Joe (William Bertram), suspected of mudering the father of young Buddy Hazlet (Budy Hunter), Bob Merrill (Hoot Gibson) and his friend Shorty ("Pee Wee" Holmes), secretly enter the stronghold of the Pecos (C. E. "Cap" Anderson) gang. They learn that the actual killer is Tom Marsden (Philo McCullough),foreman of the Merrill ranch and a member of the gang. Bob s sweetheart, Peggy Bradley (Helen Wright),tells him that Buddy and Shorty have been captured by the gang. Bob frees his friends and, when the gang returns, fires on them with their own machine guns. They are captured, Marsden confesses to the murder, and Bob wins the love of Peggy.