Jack and Mason investigate the area where the power was to be turned off. Nina tries to warn Jack about his family's disappearance, but Mason hampers her efforts. Teri explores her home in hopes of regaining her memory as Drazen's man closes in for the kill. Kim finds herself in the middle of a botched drug deal, while Palmer breaks the story about Keith to the press. Tony saves Teri from death.
Kate helps Jack locate and identify Syed Ali in the mosque. Palmer places Stanton under arrest, but he won't break. Palmer utilizes torture to make Stanton talk. Kim hits her low point of the day when she encounters a cougar in the woods.
President Palmer postpones the debate because of the prison break. Jack and Ramon continue to evade CTU and the police. Kim discovers Gael's secret, but she isn't able to warn Michelle in time. Doctors reveal a startling revelation about Kyle's health.
Jack and Paul visit a defense contractor where Marwan worked, and the company goes to drastic lengths to protect itself by setting off an electromagnetic pulse bomb. Driscoll steps down as head of CTU. Tony, who is appointed interim director, is shocked when the permanent replacement arrives.
Jack Bauer has to deal with his daughter's return, a former mentor who has information he needs, and a terrorist attack on CTU. Meanwhile, President Logan debates Martial Law with Vice PresidentHal Gardner.
Hot on the assassin's trail, Jack finds himself set up as a cop killer and endures torture by a corrupt NYPD officer. PresidentOmar Hassan argues with his brother about telling CTU about his affair with Meredith Reed, even though it will help prove her innocence. PresidentsTaylor, Hassan, and the rest of the United Nations building are evacuated due to a bomb threat.