Jack Harper is the lone security repairman stationed on a desolate, nearly ruined future Earth. When he rescues a beautiful stranger from a downed spacecraft, her arrival triggers a nonstop chain of events that forces him to question everything he knows, and leaves humanity's fate in his hands.

Col. Katherine Powell, a military officer in command of an operation to capture terrorists in Kenya, sees her mission escalate when a girl enters the kill zone, triggering an international dispute over the implications of modern warfare.

Exiled in London for four years, former counter terrorist unit agent Jack Bauer must spring into action to try to save U.S. President James Heller. In retribution for a drone strike he ordered, Heller sits in the crosshairs of the window of an al-Qaeda leader. Along the way, Jack faces his ex-love, Heller's daughter Audrey, who's married to chief of staff Mark Boudreau. Teaming with CTU operative-turned-hackivitst Chloe O'Brian, Jack risks everything...