In the season premiere, Martyn is thrown into a panic when he hears of an issue that threatens to derail the installation of Tamara Mellon’s 30-million dollar Manhattan apartment. Kathryn brings her housekeeper, Jacqueline, to check on the progress of a stunning home in California wine country, but they spend more time drinking wine than on design. Meanwhile, Mary must navigate the personality quirks of a major Beverly Hills client who defers design decisions to her beloved dog.