Thom and Carson work with soon-to-be empty nesters Laurie and Jeff, who are ready to turn their living room into a Vegas chic lounge. But can these two really go all in or will Thom and Carson fold under Laurie's pressure? Meanwhile, Brooklyn dentist, Dr. Cox, is troubled with bad online reviews due to her dismal waiting room. The guys must get to the root of the problem and design a space that will have both her and her clients, all smiles.