Alec, an academic recovering from the death of his wife, is staying in a quiet cottage by the sea when he starts to make his way through a package of papers and recordings given to him by a colleague. These concern the experiences of an individual known as Wiggy, who claims to have encountered not only a talking cat, but an evil, murderous, devil-worshipping talking cat who is part of a feline conspiracy spanning centuries. The story that then unfolds, told from a number of viewpoints and through various channels (including a hilariously terrible screenplay and imagined email exchanges), is so unusual, yet so terrifyingly plausible, that it demands to be told in a single sitting. 'Shall we start?' says the cat ...