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.
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.
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.