Moments after discovering his daughter, Kimberly, has snuck out of the house, Jack Bauer is called into work. As head of the CIAs Los Angeles Counter Terrorist Unit office hes told that an assassination attempt will be made within the next 24 hours on the life of presidential candidate David Palmer and its up to his team of agents to keep Palmer alive. Meanwhile, Jacks wife, Teri, sets out to find their daughter.