Kim lands in jail when the cops don't believe her story. Jack stumbles onto a secret detention center and arrives just in time to bluff Andre and his men out of freeing a prisoner who is being transferred in. Jack confronts the prisoner and discovers that it is Victor Drazen. Before Jack can learn any more, Andre and his soldiers make another run on the prison.
Jack threatens Syed Ali's family in order to break him. George questions Bob Warner to learn more about Marie's motivations for helping the terrorists. Kim is rescued by a mysterious hunter who offers her asylum. Lynne receives a dire warning from Sherry.
Ramon wants to kill Jack on the way to Mexico, but learns that Jack and Hector are working together. Gael is captured while trying to escape from CTU. Tony stops Gael's interrogation and reveals that Gael is part of a secret operation. Chase heads for Mexico to rescue Jack.
Jack and Paul enlist civilian help after finding themselves the target of a search-and-destroy mission amidst the blackout caused by the EMP. Tony and Michelle are uncomfortable working together, having not seen each other in months. With all of the nuclear plants stable, Marwan launches the next phase of his plan.
Jack Bauer and the rest of CTU take action to protect the remaining isolated areas and plan escape tactics. Chloe wrestles with her grief over Edgar's death, while Tony seeks revenge on Henderson. Martha bolsters Logan's judgment as he face faces political pressure from Hal Gardner.
Jack Bauer learns that Audrey Raines followed him to China and is now dead. Dmitri Gredenko and Abu Fayed launch the first nuclear drone. Even though CTU successfully subverts the bomb's detonation, Noah Daniels goes forward with a nuclear retaliatory strike.
PresidentHassan takes temporary residence in the CTU New York building in the aftermath of the motorcade bombing. Uranium-235 particles are discovered on the dead body of Davros, indicating that his organization has possession of weapons-grade nuclear material. A damaged Renee Walker returns and is given an undercover assignment in the Russian mob, but not everyone thinks she's ready.