A power failure threatens preparations for Zion's 60th birthday party at Château de la Boutinière. Ben and Billie have bathroom trouble in their Loire Valley holiday accommodation.

In the Dordogne region, Abbie, Clive, Karen and Ross undertake a complicated project, by converting a car park into a new terrace and dining area. Elsewhere, in the Loire Valley, Ben and Billie continue their renovation of two holiday apartments and while Billie upcycles more furniture, Ben uses his specialist knowledge of creating music studios to construct a soundproof connecting door.