Wounded to the brink of death and suffering from amnesia, Jason Bourne is rescued at sea by a fisherman. With nothing to go on but a Swiss bank account number, he starts to reconstruct his life, but finds that many people he encounters want him dead. However, Bourne realizes that he has the combat and mental skills of a world-class spy—but who does he work for?
A top Marine sniper, Bob Lee Swagger, leaves the military after a mission goes horribly awry and disappears, living in seclusion. He is coaxed back into service after a high-profile government official convinces him to help thwart a plot to kill the President of the United States. Ultimately double-crossed and framed for the attempt, Swagger becomes the target of a nationwide manhunt. He goes on the run to track the real killer and find out who exactly set him up, and why, eventually seeking revenge against some of the most powerful and corrupt leaders in the free world.
Bourne is brought out of hiding once again by reporter Simon Ross who is trying to unveil Operation Blackbriar, an upgrade to Project Treadstone, in a series of newspaper columns. Information from the reporter stirs a new set of memories, and Bourne must finally uncover his dark past while dodging The Company's best efforts to eradicate him.
As the Iranian revolution reaches a boiling point, a CIA 'exfiltration' specialist concocts a risky plan to free six Americans who have found shelter at the home of the Canadian ambassador.
When a Harvard-educated CIA agent is killed during an operation, the secret agency recruits his twin brother.
Cross is an old hand at the CIA who often teams up with Frenchman Jean “Scorpio” Laurier, a gifted freelance operative. After their last mission together, the CIA orders Scorpio to eliminate Cross, leaving him no choice but to obey.