After a disastrous miscarriage, a family trades their city lifestyle for a quiet life in the country. Jonathan (Eric Roberts), Cecile (Deborah Twiss) and their two children, Ariel and Morgan, move into a Long Island rental home that was abandoned by a woman and her elderly mother. But the family finds themselves at the mercy of a terrifying and violent manifestation that Ariel identifies as a young boy named Sebastien. In fear for their family, Jonathan and Cecile must uncover the secret that binds Sebastien's torment with the former occupants and the local priest.