Overview: A series of mysterious events begin to torment the Hodgson family, prompting inventor Maurice Grosse to investigate.
Overview: The frightening occurrences seem to target 11-year-old Janet. As word spreads, psychic investigators and physicists flock to the house.
Overview: Skeptics challenge Maurice's claims as the family deal with accusations that they're faking the phenomena.
Overview: Young Janet is sent away. As an adult, she reflects on what happened to her and the impact of Maurice's investigation.