Jack Bauer has been captured by the CIA in London after 4 years on the run. He intentionally got caught to rescue his friend Chloe from interrogation. He escapes with Chloe and is hunted by the CIA, led by agent Kate Morgan who suspects Jack's capture was intentional. Meanwhile, a rogue CIA agent has gained control of drone technology that could be used to assassinate the U.S. President who is in London for negotiations.