In London for the Prime Minister's funeral, Mike Banning discovers a plot to assassinate all the attending world leaders.

After a treacherous attack, Secret Service agent Mike Banning is charged with attempting to assassinate President Trumbull. Chased by his own colleagues and the FBI, Banning begins a race against the clock to clear his name.

Left for dead in the remote Southwest, Frank is found clinging to life and in a state of amnesia. As he recovers, ominous memories begin to flash back...

The secret US abduction of a suspected terrorist from his Middle East homeland leads to a wave of terrorist attacks in New York. An FBI senior agent and his team attempt to locate and decommission the enemy cells, but must also deal with an Army General gone rogue and a female CIA agent of uncertain loyalties.

When the White House (Secret Service Code: "Olympus") is captured by a terrorist mastermind and the President is kidnapped, disgraced former Presidential guard Mike Banning finds himself trapped within the building. As the national security team scrambles to respond, they are forced to rely on Banning's inside knowledge to help retake the White House, save the President and avert an even bigger disaster.

A counterterrorism specialist is assigned by the President to track down a terrorist who is suspected of planning to set off a nuclear device in the U.S.