What would you do if you began to suspect that someone in your close circle of friends was not who he seemed to be, and that for a reason known only to him he had embarked on an insidious plan to destroy you and those you love most? This is the terrifying question facing two friends and potential lovers, college professor Dix Mallory and real estate salesperson Cecca Bellini, in the quiet Northern California town of Los Alegres. The reign of terror against them starts with a series of anonymous telephone calls, shortly after Dix's wife, Katy, is killed in a freak accident. Or did it start before the tragedy, with a secret affair between Katy and the unknown tormentor? Was her death in fact cold-blooded murder? Shock follows shock as the tormentor escalates his campaign in both subtle and...