Wynonna attracts some unwanted attention after returning to Purgatory; at the same time, she struggles to keep her impetuous nature in check while trying to conform to the rules imposed by the Black Badge Division. In other happenings, drifter Henry makes a deal he may not be able to honor.
Wynonna investigates when a posse of Revenants go on a killing spree, which she concludes has a darker and more sinister point behind it. Meanwhile, Waverly challenges Henry's motives and sets out to unearth more of his past.
Wynonna hunts down one of the Revenants responsible for the attack on the Homestead fifteen years earlier. Waverly unravels a mystery left behind by her Uncle Curtis.
The team must recover a very powerful briefcase before it falls into the wrong hands. Don't expect everything to go smoothly - it's Earp vs. Earp as Wynonna fights for her sister Waverly's soul.
Doc and Wynonna's indiscretions haunt the team and the ties that bind them. Wynonna's past mistakes hold present consequences, while Purgatory has a new most wanted: Doc Holliday. Wynonna and Nicole hit the road for answers.
When a mysterious bus full of sexy strangers rolls into town, Wynonna must figure out why they are in Purgatory before the entire town falls under their spell.
History keeps repeating itself when Wynonna has to make an impossible choice. Waverly and Nicole visit a jeweller and 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 Revenants that leads her to an unexpected revelation about the curse. Waverly meets an important figure from her past, and 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.