In London, the aspiring stand-up performer Mark Crowe is financially supported by girlfriend Jill Scott that works in a call center. They find a room that they can afford rent in the isolated house of the old couple Henry Baker and Josephine Baker. Mark stays in the room expecting to write gags while Jill works but he is disturbed by the noise of the Baker's baby or by Henry. Soon there is a friction between Mark and Henry, but Jill convinces her boyfriend to stay in the place. Jill's snobbish brother Jason Scott offers a job to Markr but he feels offended. One day, Mark snoops around in the house and discloses a creepy secret about Henry and Josephine Baker with tragic consequences.