aby-sitter Sasha Lowood is murdered by a man dressed as the mythical Bogey-Man at the same time that Calum Mantus,who killed his family in a manner identical to Sasha's slaying,escapes from a secure unit The police search Mantus's old house,which feels haunted and where there is a poster of actor Lon Chaney in the film 'London After Dark'. According to unit head Dr Mortlake this was Mantus's favourite film and traditionally drove its audiences mad. After psychiatrist Morgan Lamb survives an attack by the Bogey Man a masked man is seen toting a gun. However he is not Mantus but an innocent who has been set up.

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