Tom and Octavia Fleming have the perfect power marriage: he is a spin-doctor and she runs a consultancy to the charity industry. They are attractive, rich, successful discovers Tom is having an affair and not only the discovery but the affair itself have consequences that are potentially fatal both to the marriage and its power. For this is no ordinary affair, but one that leads to terror and danger, threatening other people, damaging other lives. Nothing and no one in the charmed circle in which the Flemings move can escape: not their children, not their friends, not even the one thing that seemed beyond reach - their own professional success.