The demon who cursed the Earp heir reveals himself in a shocking turn of events that will leave the team forever changed.

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.

Cullen grapples with consequences while Elam mounts a rescue attempt. Durant receives Gen. Grant and the U.P. board in Cheyenne ahead of the deadline.

With General Grant’s deadline only two days away, a gang of riders attacks Cheyenne while Cullen and Elam pay Durant a visit.

When a cholera epidemic hits Hell on Wheels, Cullen must find fresh water before his workers die. Durant faces political fallout.

Durant files an injunction against Union Pacific, threatening Cullen’s position; Elam deals with a dangerous newcomer.

Cullen helps Elam track down a dangerous criminal; the town prepares to move down the tracks.

Cullen, Durant, and Campbell try to negotiate a settlement on how the streets will be policed. An act of terror strikes Cheyenne.

Cullen goes head to head with the new marshal to recover his arrested railroad workers. Campbell confronts Louise over a story.

Cullen makes a decision to ensure his family’s safety. Campbell hires a new federal marshal to clean up the streets.

Amy blames Georgie and Jade when a clients horse keeps escaping. She then re-evaluates things when she learns the horse has hidden skills.

Amy struggles to pair up some horses. Then is forced to go head to head with a rival trainer.