KGB agent "Dragonfly" is a master of disguise, the ultimate terrorist. Andrew Clayton forgot it. For eighteen inactive months, the hardnosed Security Intelligence agent has blamed himself for his brother's death at Dragonfly's hands. But now Clayton knows he's got one last shot at revenge. But Dragonfly is armed with the supreme biological weapon, set to release its toxic devastation should his mission be compromised. Stopping him without triggering a major disaster will be deadly - if not impossible. But for Andrew Clayton, it's something that must be done...