"Herschel Caine is a master of the universe. His hedge fund, built on the miracle of machine learning, is inches away from systematically sapping profits from the market. His SoHo offices (shoes optional, therapy required) are ready for desperate investors to flood through the doors. But on May 12, his mind is elsewhere--at his Cobble Hill townhouse and the dinner party designed to impress his flawless neighbors. When the soiree falters, Herschel...