A local outcast in a remote Alaskan town must overcome prejudices and his own personal demons to harness his repressed psychic powers in order to save everyone from the mass haunting threatening to destroy them all.
While the ghosts build a resistance against Roman, Port Moore survivors draw straws in preparation for their final battle, a quest to connect the two halves of the artifact in the ghost realm. The catch is that to beat the ghosts, they have to die.
While Daphne gathers the power she needs to launch her accelerator test, civil unrest breaks out among the town when Paolo refuses to open the bar. The commotion evolves into mutiny as the mob pursues Roman, Landis, Jimmy and the McGrath-Dufresnes.
As Landis and Jimmy try to make sense of the museum artifact, Karla finds herself with ghost-child that is quickly growing. Abigail's physical condition deteriorates, prompting Marilyn to realize that what or who is inside her daughter is not normal.
An arrival from Lambda headquarters gives the town hope for the first time in weeks. The company distributes supplies, promising to get everyone off the island in due course. Eccentric young CEO Daphne Vikander takes great interest in Roman, but Landis suspects she has unsavory designs for the townspeople's future.
Roman, Jimmy, Landis, and Doug experience a power outage, so they must trek up to the dam to get the power back on fast, as the ghosts are somehow stronger. However, a long-buried town secret threatens to tear the group apart.
Val's twin daughter, Abigail, goes missing. Jimmy leads the charge to find the young girl, employing Roman's medium skills and anyone else who's willing to search in the forest on the outskirts of town.
The town leans on skeptical and steadfast handyman Doug after Port Moore's social structure begins to collapse. Doug's well-being quickly deteriorates when his dead daughter persuades Roman to deliver a message.
As churchgoers flourish in numbers, Reverend Dan soothes the anxieties of the townspeople. When the hauntings escalate to a possession of a young boy, Dan wrestles with the thought of performing an unsanctioned exorcism.
Research scientist Landis Barker self-experiments to quantify the haunting of a Lambda Technologies branch in Port Moore after a particle accelerator test goes wrong and the entire building goes into lockdown.