On her 27th birthday, Wynonna Earp returns to her home town of Purgatory when her uncle is brutally murdered. After the funeral, Wynonna learns that the revenant demons of the outlaws that her great-great-grandfather Wyatt killed are back and looking for revenge... and only Wyatt's fabled Peacemaker can send them back to Hell.
Wynonna gets her first taste of field experience with the Black Badges. Meanwhile, Doc gets a job at the homestead, and makes a deal with the revenants' leader, Bobo.
Wynonna works out that a Revenant killing spree has a much more sinister purpose. Waverly attempts to find out about Henry's past.
A revenant strikes at the guilty by cutting their throats... and Wynonna is his next target. Meanwhile, the secret of Doc's longevity is revealed, as well as his reason for parting ways with his friend Wyatt.
Wynonna and Dolls raid the trailer park without success, but a revenant sees them and asks Wynonna for help finding his lover. Meeanwhile, Bobo and Waverly have a chat, and Doc meets back up with the woman who cursed him with immortality.
Wynonna looks for the sixth member of the Seven, and the trail leads her to a cannibal revenant. Meanwhile, Xavier tries to deal with his addiction, while Waverly unravels a mystery that Curtis left for her.
While Waverly and Doc barricade the homestead after the Stone Witch tries to recover the skull, Wynonna and Nicole deal with a serial killer at large in the sheriff's station.
Xavier and Doc talk their way into a revenant-run fight club to learn where Wynonna is, after the last of the Seven abducts her.
Wynonna attempts to deal with her encounter with the last of the Seven and she also becomes swept up in Henry's vendetta.
After listening in and hearing Bobo mention an archenemy, Wynonna and Xavier go to the Pine Barrens Dolls make their way to the snowy Barrens to find the weapon that makes Bobo's nemesis so dangerous. Meanwhile, Doc learns how to drive after Wynonna gives him Constance's car.
Wynonna attempts to leave the discovery in the Barrens behind her when a gambler is torn apart.
An admirer who has a shocking vendetta threatens the town. Wynonna attempts to outwit Bobo Del Rey and protect Dolls at the same time.