Sexy and scandalous, The Mansion Builders takes place in Long Island's scenic and glamorous Hamptons. It is the saga of Andrew Duvette, a builder obsessed with attaining wealth and power in the real estate boom there and his rise and fall. Andrew's ascent begins when he teams up with ambitious bank president, John Halstead. Their silent partnership will defraud Lockheart Bank of millions in kickback schemes for Andrew's building projects. In a consortium with three others, they build mansions on the Hamptons most precious commodity, its farmlands and waterfront. As Andrew's fame and fortune peak, however, he neglects his beautiful wife, Maria, and his children. While their marriage deteriorates, Andrew meets Brittany Van Dyne, a stunning blonde heiress with an equally rich escort, Gerald Parkhurst. She becomes the prize he must attain, his entree into the world of Southampton's old-monied rich. When Andrew has Maria invite them to dinner at his mansion, it sets the stage for Andrew's ultimate act of treachery, a blatant betrayal that will change all their lives forever.