Wynonna Earp returns to her hometown of Purgatory when she learns that someone--or something--killed her uncle. She's reunited with her younger sister Waverly, and learns that the Earp curse is alive and well.

Three revenants go into the city to cut off an innocent murderer's hand, and then steal a diary belonging to a deaf-mute poet. Wynonna and Xavier soon realize that they're preparing to cast a spell... which will let them go over the line.