There's nothing lower than a bushwhacker-except a back-shooting bushwhacker. When Clint Adams faces down three gunmen, only to be shot from behind by a fourth and left for dead, he's got more on his mind than justice. Vengeance nurses the Gunsmith back to health. Vengeance carries him along the hard trail after the desperadoes. And when Clint Adams tracks his ambushers to a Texas town called Testimony, vengeance promises to make blood flow like cheap whiskey....