Tweed faces the most frightening challenge of his career as London becomes the next terrorist target in the wake of September 11th. Is Al-Qa'eda about to attack London? Who is the traitor in Britain, manipulating his opponents mercilessly? Time has run out. This Tweed does know. But what is the target? When and where will the attack be launched? Panic grips Whitehall and Tweed is road-blocked by bureaucrats at every turn.