Story of blood brothers whose bonds are tested when marauding Sioux Indians cross the border to enlist the peaceful Cree in a battle against the Great White Father.

US marshal Len Merrick saves Tim Keith from lynching at the hands of the Roden clan, and hopes to get him to Santa Loma for trial. Vindictive Ned Roden, whose son Ed was killed, still wants personal revenge, and Tim would like to escape before Ned catches up with him again. Can the marshal make it across the desert with Tim and his daughter? Even if he makes it, will justice be served?

When Robin Grant inherits a valuable range, certain evil interests try their best to kill off Robin and claim the land for themselves. US Marshall Steve Saunders comes to the boy's rescue.

Marshal Reb Russell's reputation precedes him and when he arrives the outlaw gang that includes the Sheriff and that has been doing all the rustling, captures him and plans to hang him. Tommy Lord, the man the crooked Sheriff wants for the rustling, helps him escape. Posing as a rustler he gets the Indian Agent to admit he is the buyer and to reveal who the rustlers are. Having cleared Tommy of the rustling charge he goes after the gang.