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.

Wynonna has a run in with Revenants that leads her to an unexpected revelation about the curse. Waverly meets an important figure from her past, and Nicole tries to evacuate…

Lady Luck seems to have abandoned Wynonna and Nicole when an errand for Nedley goes terribly wrong. Mama discovers Doc’s secret.