This is the seventh episode in the series over the Civil War in the American Southwest.

In this episode the Rebels ride into Tucson and declare it as the westernmost city of the Confederate Empire as Baylor invades Mexico to give the Apaches “hot pursuit”. Meanwhile, Sibley walks north and takes Albuquerque and Santa Fe. The taking of Santa Fe marks the only time the Rebel forces of the Confederate States of America occupy the capitol of a Union Territory in the entire Civil War. The Army of New Mexico then prepares to use a three pronged attack against Fort Union. Captain Sherod Hunter, Baylor’s resignation after an international incident, The Colorado Volunteers, and the hardships of the Rebels long march north are all discussed.