Overview: Roger's recuperation from knee surgery keeps him from tackling the stairs in this brownstone condo, so from a comfortable perch on the couch, he supervises Tanya and Megan Szczecko, his design assistant, as they carry out his plans for finding a buyer for this house by painting, eliminating musty odors, removing and rearranging furniture, turning a door that goes nowhere into an architectural focal point, adding new window treatments, and deemphasizing the narrowness of the house.