Wynonna faces her most dangerous opponent as something tries to break in to the Triangle. Meanwhile, Waverly learns about her past and Xavier is arrested for treason.
A vengeful revenant forces his victims to face their most unforgiveable sin and obtain forgiveness... or die. Meanwhile, Doc proves his worth to the Earps.
Amy is worried when she is riding Spartan like normal and suddenly he falls and she calls Scott for help. He checks her horse and comes to the conclusion that Spartan has a broken leg. It is up to Amy to make the hardest decision of her life to do what is right for Spartan.
Working with a liberty horse trainer inspires amy to take her horsemanship to a new level. To help her relationship with Ty, and her work with horses, Amy realizes she has to return to her roots. Meanwhile, Ty moves into Caleb's trailer to help Amy and him grow as a couple.moreless
After Jack's truck breaks down repeatedly, Lisa and his family encourage him to buy a new truck; however, they are met with extreme reluctance as Jack tries to let go of the history that is linked with the truck. Meanwhile, it's Amy's end of school formal and she struggles as Ty's behavior seems to indicate to her that he doesn't want to go to the dance with her.moreless