At Château de la Boutinière, Alison and Zion race to restore a chapel that's lain untouched for 30 years in time for a couple's 60th anniversary celebrations. At Château de Montespieu, newbies Louisa and Roger take on a bold revival of their towering six-turreted home.

In Normandy, Terry and Ashley race to finish the 401 Suite and re-hang a 200-crystal chandelier. At Château Mareuil, Belinda and Lee tackle mould in a tower. In the Loire Valley, Vivienne and Simon rush to finish a bathroom mural before Mum arrives.