Dan and Gemma have found their dream first home, but the asking price is the stuff of nightmares. The only way they'll ever save for a deposit is by returning, rent-free, to Dan's childhood home. Obviously, one wants to move back into a bedroom still adorned with Kylie posters, with a mother whose culinary skills are ted for their spectacular gastro-intestinal effects. But it's only for six months. Even they can manage that. Surely.