Payback at Black Valley Forge

In Sagegrease, John Mitchum arrives straight into a heap of trouble. Someone is stalking him. To get some answers he must ride the long trail to Black Valley and towards his own past. The race is on, and he's up against Turkey Joe Mulligan and his vicious gang of outlaws. But there are others with a stake in the outcome: the rich owner of the Quarter Circle Bucket and the mysterious stranger Challoner. It's payback time for somebody, but who?