Henry and three of his classmates encounter mind-bending ghostly terror when they volunteer for a weekend study with their psychology professor in the haunted 'Mad Hatter' mansion.Henry and three of his classmates encounter mind-bending ghostly terror when they volunteer for a weekend study with their psychology professor in the haunted 'Mad Hatter' mansion.Henry and three of his classmates encounter mind-bending ghostly terror when they volunteer for a weekend study with their psychology professor in the haunted 'Mad Hatter' mansion.
