La grande scorreria

In the desolate village of Wackett, Tex attends the sorrowful funeral of a friend and begins to recount his story, which dates back to the great Indian raid after the Civil War, when war chiefs Quanah Parker, Buffalo Chief, and Tonkawa sought to reclaim Texas, and the Rangers were tasked with bringing settlers from the embattled regions to safety.
After gathering the pioneer families of the remote Last Chance Valley, Tex joins three soldiers escorting a prison wagon filled with chained convicts. But the Comanche are everywhere...