After the Civil War, a former Union colonel searches for the two traitors whose perfidy led to the loss of a close friend.

John Wayneas Col. Cord McNally
Jorge Riveroas Capt. Pierre Cordona
Jennifer O'Neillas Shasta Delaney
Jack Elamas Phillips
Christopher Mitchumas Sgt. Tuscarora Phillips
Victor Frenchas Ketcham
Susana Dosamantesas Maria Carmen
Sherry Lansingas Amelita
David Huddlestonas Dr. Ivor Jones
Mike Henryas Rio Lobo Sheriff 'Blue Tom' Hendricks