Bryan battles Mother Nature as he tries to finish the roof, while Rebecca and Sarah's relationship hits a breaking point. Then, the Baeumlers enlist the help of a friend to work on the deck, and Bryan and Sarah clash over the interior finishes.

Stepping up as lead designer, Sarah joins Darren to face-off with Bryan over the siding and stresses about a key bathroom element that won't be ready in time. Then, Bryan comes up with modifications to make the cabinets and appliances fit in their spaces.