A massive electrical outage shuts down the town's power, creating a sense of unease, as people are drawn together in unexpected ways. Camille and Lucy find new roles within the community, Julie seeks refuge with an old friend and Lena grows closer to her mysterious rescuer.

Tensions are high between the living and the dead, as a newer, creepier wave of the returned descends upon them. With the townspeople in fear and the stakes higher than ever, everyone will have to choose sides.