When Jack Ryan foils an Ulster Liberation Army terrorist attack on the Prince of Wales and his family, his courageous actions not only win him the admiration of an entire nation, they also rouse the enmity and hatred of that nation's most dangerous men Now a ULA target himself, Ryan plunges into the murky world of counter-intelligence, where he uncovers connections between the ULA and an international underground network that place him at the forefront of the deadly battle against international terrorism, and pitch him into the most desperate struggle of his life