In the early 1870s, 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 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 men stood between this element and the law-abiding citizenry - the Texas Rangers. This is the story of those men.