The Marrs look to convert a barn into an in-law suite and wedding venue for country singer Gabrielle Mooney and her fiance. After surviving a major health crisis, Gabrielle's brother, country singer Shay Mooney, and family help with this special makeover.

Dave's aunt and uncle are moving to Arkansas to be closer to their daughters and family, and they're ready for a lake house renovation. Dave and Jenny feel the pressure as they're tasked to create a relaxing and functional space for the family.