With two new arrivals in town, tensions rise as newcomer Annie tries to get medication illegally, and Ace seeks to silence Annie's daughter Joy so that she wouldn't rat him out.
As Ace's disappearance attracts notice to Annie, the latter tries to hide her crime, only to make a horrific discovery.
As Annie comes clean to Joy, the latter battles fears about her mother's mental condition. The undead Ace makes another appearance.
As Pop makes preparations for his impending death, Chris falls victim to a horrific discovery. Nadia realizes the truth about who Pop really is.
A flashback reveals Annie's history and the path that led her to where she is now. Joy makes a discovery about a face from Annie's past.
Joy has a difficult choice to make when Rita arrives in town. Ace puts his plans into effect, but a mishap threatens to bring everything down.
A flashback reveals the source of the strange happenings in town and how a choice from 400 years ago is shaping the present and causing the events that swept over the town.
As the cultists prepare to bring Amity back, Augustin makes a last-minute change about who her vessel will be. Nadia tries to get through to Chris when he goes after her.
With only a small group of people keeping their faculties, the darkness that has taken over town threatens to swallow everyone. Pop resorts to desperate measures to hinder the cultists' plans.
With the plan to rescue Joy underway, a surprising betrayal threatens to bring the cultists' plans down. Annie battles doubt about Joy.