Morris's first thriller is a brisk, if at times predictable, story of international financial mayhem. The unlikely heroes are Oliver Dawson, an obdurate low-level attorney with the Securities and Exchange Commission's Enforcement Division, and Peter Neil, a young man thrust into an atmosphere of greed and temptation at a hedge fund. After Peter's mother dies in a car accident, her former lover and family friend, attorney Jason Ayers, offers the unemployed Peter a job with one of his clients, a hedge fund called Stenman Partners. The company is an epicenter of corruption-reaping money from the drug trade, among other things-but Peter gets swept up in the fast money and glamour. Morris paints a detailed picture of currency trading and the movements of billions of dollars around the world,...