sentences:  Nick is unhappy at his new school, where he is befriended by a boy called Sam and intimidated by scripture teacher Mr Crabb, who is interested in the occult and demonology.Nick hears voices in the house and receives messages on his computer screen (a new touch in 1986); he also suffers inexplicable blisters on his feet and grazes on his elbows and knees.When he dreams of burning and wakes up in a bed full of ashes, Nick tells a psychiatrist (Susannah York in a Mum-like name-value cameo) that he feels he is possessed by a demon.