Robert Leroy Parker didn’t have much of a plan when he decided that he broke from the McCarty gang to go straight. Just ride away, maybe find some work, think about what he wanted to do. But a chance encounter with a Pinkerton detective sets off a chain of events that has the both of them running for their lives from a pack of undead cowboys. The worst part? They’re chasing the two of them because Robert was trying to do the right thing.