An ex-dirty-cop hiding in witness protection is hunted by the partner he betrayed, an unhinged hired gun and a jilted ex-lover who want his ill-gotten fortune - and their own brand of revenge - all to themselves.

Wyatt Earp's great granddaughter Wynonna battles demons and other creatures with her unique abilities and a posse of dysfunctional allies - the only thing that can bring the paranormal to justice.