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.

Allegiances are forming, as the atmosphere in town grows increasingly hostile. Camille is accused of hurting people around her. Simon investigates the circumstances of his death and Julie wants to leave town, but has difficulty crossing the bridge over the dam.

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.

As the returned come out into the open they find they are unable to resume normal lives. Camille and Simon both find themselves abruptly rejected and Victor embarks on a search for his murderer. Incapacitated, Lena is found by an elusive figure.

Lena's health is turning for the worse and she's convinced it has something to do with Alice. While Adele and Simon begin to rekindle their romance, Julie decides something must be done with Victor, who may be implicated in a shocking death.

Life in town is becoming gradually more disturbing. Determined to come out of hiding, Camille invents a new identity, Lena is horrified by a mysterious physical affliction, and Julie finds herself paralyzed by fear as an old trauma resurfaces.

Adele attempts to come to terms with Simon's 'return' as things get emotionally complicated. Camille tries to restart her old life but discovers the situation at home has changed and is introduced to Pierre, an odd and charismatic figure who predicted The Return.

After having died several years ago, Camille and Simon mysteriously reappear at their homes in a small mountain community, throwing their loved ones' lives into a state of turmoil. Meanwhile, single nurse Julie receives a visit from a strange little boy.