The complete second series of the real-time espionage drama. A year after he prevented the assassination of presidential candidate Senator David Palmer (Dennis Haysbert) and suffered the death of his wife, CTU agent Jack Bauer (Kiefer Sutherland) is called upon to find a terrorist nuclear bomb in Los Angeles. Meanwhile, Jack's daughter Kim (Elisha Cuthbert), who has been working as an au pair, is forced to go on the run from her abusive employer after he attacks her and the little girl, Megan (Skye McCole Bartusiak), that she is looking after. But when she takes Megan to the hospital, Kim is arrested for abusing the child. As in the first series, the action takes place over 24 hours, with each episode representing one hour of actual time.