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.

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.