Jack Carter is a small-time hood working in London. When word reaches him of his brother's death, he travels to Newcastle to attend the funeral. Refusing to accept the police report of suicide, Carter seeks out his brother’s friends and acquaintances to learn who murdered his sibling and why.

Following a nervous breakdown, Gwen takes up the job of head teacher in the small village of Haddaby. There she can benefit from the tranquillity and peace, enabling her to recover fully. But under the facade of idyllic country life she slowly unearths the frightening reality of village life in which the inhabitants are followers of a menacing satanic cult with the power to inflict indiscriminate evil and death if crossed.