Phil (David Aaron Baker) and Ann (Mary McCormack) are a troubled married couple in New York City. Each is cheating on the other, and both are suspicious. Anna confides in her therapist (Stockard Channing) and her stock-trader brother (Rob Morrow), who has a form of Tourette's syndrome. Meanwhile, Phil tells his secret to his best buddy (Campbell Scott), a cruel, unlikeable accountant. Then a French private eye (Peter Gallagher) gets involved, and larger secrets start to be revealed.