Local dignitaries are scheduled to unveil the art studio in the fairytale turret at Chateau de Bourneau, so owners Erin and JB desperately try to complete the renovations in time. In the Dordogne, Nick, Nicole and baby Noah have outgrown their basement gite, so work begins on the renovations of the main body of their chateau. In Normandy, Donna and Paul start installing the first of their 40 bespoke windows in their abandoned water mill. The question is, has Paul got his measurements right?