Jo develops new paint colors inspired by the castle's one-hundred-year history, and she and Chip make big decisions about interior flooring and tile, as well as the exterior stone walls, that dramatically advance renovations.

In the home stretch of construction, Chip and Jo focus on perfecting the details of the castle; a design issue in the kitchen spurs Chip to insist on a last-minute change to fix countertops and windows; Jo gets a surprise at the Silos.