Lake Superior has called Mary Whitney once more to its shores. While her husband, Michael Tanner, finishes several projects in Seattle, Mary flies alone to settle in to her chartered sailboat in Bayfield, Wisconsin. She is looking forward to a relaxing solo sail and a few days communing with the lake. Neither she nor Michael are aware that Edwin Tobias, a wealthy and determined hedge fund operator and corporate raider - not to mention Mary's twisted ex-husbnad has been tracking her movements--Cover.