After an apparent boating accident leaves her billionaire husband dead, Grace Brookstein discovers that he was involved in an elaborate fraud, that his death may not have been an accident, and that her own life is now in danger.

Nicholas "Foxy" Foxton, a former jockey who suffered a career- ending injury, is out for a day at the Grand National races when his friend and coworker Herb Kovak is murdered, execution style, right in front of him -- and 60,000 other potential witnesses. Foxton and Kovak were both independent financial advisers at Lyall & Black, a firm specializing in extreme-risk investments. As he struggles to come to terms with Kovak's seemingly inexplicable death,...