When a struggling comedian shows one act of kindness to a vulnerable woman, it sparks a suffocating obsession which threatens to wreck both their lives.

After grad student Mitch Rapp suffers a tragic loss during a terrorist attack, his single-minded thirst for vengeance catches the interest of the CIA.

Hell-bent on revenge, terrorists attack a group of world leaders in London. Now, it's up to agent Mike Banning to save the US president — again.