In Nouvelle-Aquitaine, Christina and Sassan want to create a deluxe apartment, but they're starting with a tired-looking guest room. They're gambling on bold wallpaper, bespoke woodwork and an upcycled door to create the mega transformation. In the Dordogne, dirty laundry is piling up at Château Domaine de la Barde while Tim and Krys complete vital plumbing and cabinetry for their colossal launderette. Near Cognac, it's finally wedding day at Bart and Sarah's, but thunderstorms are looming