Colonel Mackenzie, commander of the 4th Cavalry Regiment at Fort Clark near Brackettville in Kinney County in southwest Texas during the 1870s, receives secret orders from President Ulysses S. Grant and Secretary of War William W. Belknap to stop bandits from crossing the Rio Grande into the United States, or from returning to Mexico.
The Lost Raider
The Fast Gun
Mutiny
The Court Martial of Trooper Davis
Joe Ironhat
Drought
Uprising
Desertion
Deadlock
The Lucinda Cabot Affair
Captured in Mexico
Long Ride Home
Ambush
Death Road