A classic Rendellian loner Mix Cellini is superstitious about the number 13. Living in a decaying house in Notting Hill Mix is obsessed with 10 Rillington Place where the notorious John Christie committed a series of foul murders. He is also infatuated with a beautiful model who lives nearby
- a woman who would not look at him twice. Mix's landlady Gwendolen Chawcer is equally reclusive
- living her life through her library of books. Both landlady & lodger are caught up in their own psychologically twisted parallel worlds. But when reality intrudes into Mix's life a long pent-up violence explodes.