There were some strange goings-on in Roberts County, New Mexico, where it bordered the brooding Wapiti Hills. Men had been disappearing without trace and all attempts to find them had failed.
When Mark Counter disappeared, the Rio Hondo gun wizard, Dusty Fog, and the Ysabel Kid went looking for him. Mark was their friend and they aimed to find him, even if it meant taking on the whole of Roberts County—it would be just too bad for anyone who tried to stand in their way.