The British Ambassador to Washington, Sir Mark Brydon, soon finds himself in the centre of a terrifying conspiracy that could bring down Western Government.

• 故事由一宗飞机在华盛顿上空爆炸案揭开序幕，由于凶徒属英国穆斯林恐布分子，令英美两国陷入了政治纠纷之中。