The holiday season comes to Purgatory. Wynonna teams up with a new ally to search for a missing kid on Christmas Day, meanwhile, Waverly learns more about her father.
History keeps repeating itself when Wynonna has to make an impossible choice; Waverly and Nicole visit a jeweler; a familiar face returns to Purgatory.
A mysterious woman who knows a little too much about the Earps arrives on the Homestead with a special mission for Wynonna and Waverly; the rest of the team must wrangle a deadly fire witch.
Wynonna has a run in with the Revenants that leads her to an unexpected revelation about the curse; Waverly meets an important figure from her past; Nicole tries to evacuate Purgatory before it's too late.
The Pledge Moon looms over Purgatory as Wynonna and Waverly must find a way to end the family curse before their demonic foe puts an end to the Earp line - and humanity - once and for all.
