"What begins as a celebration takes a sudden turn when a shocking betrayal shatters the trust between families"--

It's an autumn weekend at a comfortable New York country house where two deeply intertwined families have gathered to mark the host's fifty-second birthday. Together, the group forms an enviable portrait of middle age. The wives and husbands have been friends for over thirty years, their teenage daughters have grown up together, and the drinks, dinners, rituals, and games that form their days all reflect the rich bonds between them. This weekend, however, something is different. An unforeseen curdling of envy and resentment will erupt into an unspeakable act, the ramifications of which are enormous. Accusations, denials, and shattered illusions follow, driving wedges between friends, spouses, children and parents, and exposing the treacherous fault lines on which these families have dwelt