At the onset of a zombie apocalypse, chaos descends as Rose loses her family, Ryan tries to get his bearings, and a desperate man finds a new guise.
A demon causes havoc in town as Wynonna, Waverly and Jolene must decide who they can trust.
The forest reveals its secrets – and a clue to Nicole’s past. Meanwhile, Wynonna pays an unexpected visit to her mother.
Amy and Ty find themselves drawing closer as they make a desperate bid to save the wild horses.
When a threat of a cull looms over a herd of wild horses, Jack and Amy go to the aid of an old friend in Pike River.
Cullen grapples with consequences while Elam mounts a rescue attempt. Durant receives Gen. Grant and the U.P. board in Cheyenne ahead of the deadline.
With General Grant’s deadline only two days away, a gang of riders attacks Cheyenne while Cullen and Elam pay Durant a visit.
After his workers defect to the Mormons, Cullen recruits Durant to help get them back. Meanwhile, Sean and Mickey’s past comes back to haunt them.
