Michael Beaumont is head over heels in love with Alison, the woman of his dreams. But Alison is harbouring a dangerous secret, one that threatens to break loose once Michael introduces her to his last remaining relative, Grandmother Rose. Rose's outburst upon meeting Alison seems like more than just a simple delusion. And something about the string of murders terrorizing London, with incidents occurring just blocks from Michael, feels like more than just a coincidence…
