Based on andy nyman and jeremy dyson's original olivier nominated stage production, the same team have co written and directed this adaptation for the big screen.starring martin freeman, alex lawther, andy nyman, paul whitehouse, and kobna holdbrook smith.phillip goodman andy nyman, professor of psychology, arch skeptic, the one man 'belief buster' has his rationality tested to the hilt when he receives a letter apparently from beyond the grave'. '.strtoupper('h')is mentor charles cameron, the 'original' tv parapsychologist went missing fifteen years before, presumed dead and yet now he writes to goodman saying that the pair must meet'. '.strtoupper('c')ameron, it seems, is still very much alive'. '.strtoupper('a')nd he needs goodman to find a rational explanation for three stories that have shaken cameron to his core'. '.strtoupper('a')s goodman investigates, he meets three haunted people, each with a tale more frightening, uncanny and inexplicable than the last.