The clock is ticking - and President Jack Ryan is running out of time...A U.S. Navy Commander is attacked in a crowded restaurant while on leave. How did the assassin know his exact location?In Tehran airport, a Canadian businessman is taken away to be interrogated. He has been a CIA operative for over a decade - why has his cover now been blown?A massive information breach has compromised America's intelligence agencies and around the globe, the noose is tightening.So now, it's up to The Campus - an elite team of America's finest - to trace the leak to its source. Their investigation will uncover a threat that has wormed its way to the heart of power. And the only man who can stop it, is the one closest to the danger: President Jack Ryan.