As Lieutenant Rory Nance lay dying after the battle of Cedar Creek in the Shenandoah Valley, Captain Josh Logan gave his word to his best friend. Now, two years later, deep in the Comancheria, Josh Logan rides to accomplish his dying friend’s request. As he rides through the rolling, West Texas hills, blood-thirsty Comanches could wait in the next ravine or around the next hill. Yet, he is determined to fulfill his promise.

Private Jake Elliott was apprehensive as he walked to the commander’s office. He couldn’t think of a single transgression that would have attracted the major’s attention. When he left the command building 10 minutes later, he was still numbed by the short visit. Tomorrow, he would no longer be a cavalryman, but would be returning to the family ranch outside of Fort Benton in Montana Territory. But it was the reason he was being discharged before his enlistment expired that had been the biggest shock.

In the early 1870's, the young state of Texas was struggling to survive. Its vast, undeveloped land of over 260 thousand square miles became a haven for the lawless. Murderers, rustlers and renegade bands of hostile Indians and Comanchero roamed the vast wastelands of west Texas with only a narrow river separating them from the sanctuary of Mexico. One group of dedicated lawmen stood between this element and the law-abiding citizenry - the Texas Rangers. This is the story of one of those men.

Buck Cordell is a giant of a man in a giant, untamed land called Texas. He builds a cattle ranch where ordinary men all say it can't be done a cattle empire that defies all odds, a family that changes the course of Texas history, and a legacy that outlives the Old West.

Sixteen-year-old Henry was ejected from the enormous St. Martin ranch and told never to return, or he would be shot on sight. He vowed to return and seek revenge against the entire family. When he finally returned, it wouldn’t be as Henry St. Martin, it would not be as a 16-year-old boy seeking justice for his mother, but as a hardened lawman with the name of Alex Paine.