An evil deputy is using Indian half-breeds to rustle cattle. This causes trouble between the cattlemen and Indians. Hoppy, Windy and Lucky see that justice is served. Songs abound.

William Boyd
as Hopalong Cassidy

George 'Gabby' Hayes
as Windy Halliday

Morris Ankrum
as Andrews

Russell Hayden
as Lucky Jenkins

Gail Sheridan
as Alice Hutchins

John Beach
as Rancher Saunders

Clara Kimball Young
as Ma Hutchins

Earle Hodgins
as Thompson

Steve Clemente
as Lone Eagle

Chief John Big Tree
as Chief Big Tree