4:00 PM 5:00 PM

Air date: 2/16/09

Henry is sent into surgery while Jack and Renee trace a money trail to Marika. Dubaku convinces Marika to leave the country with him and organizes transportation for her. Jack and Renee confront Marika at her apartment and show her evidence of atrocities committed by Dubaku; shocked, Marika agrees to wear a tracking device. When Dubaku obtains passports and tickets from his American co-conspirators, he warns them that their names will be exposed to the Justice Department if he is killed for being a "liability". At the FBI, Chloe and Larry help Jack and Renee track Marika to Dubaku. Agent Sean Hillinger, revealed to be one of Dubaku's co-conspirators, stalls Jack and Renee by issuing an arrest warrant. Upon President Taylor's request, Bill sends Aaron Pierce to fetch the President's estranged daughter, Olivia.
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5:00 PM 6:00 PM

Air date: 2/23/09

After an argument in an alley, Marika and Dubaku head to the airport. Larry rescinds the arrest warrant, allowing Jack and Renee to close in on Dubaku; Marika causes an accident to prevent Dubaku from escaping. Marika dies, but Dubaku provides Jack with a disc containing the database of co-conspirators. Larry and Chloe begin analyzing the disk, but Sean and his accomplice, Erika, wipe the servers to erase it. Sean kills Erika and wounds himself to cover up his involvement; however, Chloe recovers the database via a mirrored server, and Sean is arrested. When President Taylor returns from the hospital, Bill asks her to consider Jack's case in Senator Mayer's hearings. Afterward, Olivia and the President share a bitter reunion. Tony informs Jack of an imminent attack at the hands of Dubaku's boss, General Juma, and that someone on Mayer's staff is involved. The President summons Mayer to the White House to discuss Jack; Mayer's chief of staff, Ryan Burnett, is notified that Juma's operation is on schedule.

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6:00 PM 7:00 PM

Air date: 3/2/09

As the President meets with Mayer to discuss Jack's situation, Jack enters the White House to extract the location of Juma's impending attack from Burnett. Chloe erases Burnett's name from Dubaku's list to allow Jack enough time to torture him; however, Janis discovers the deletion, Chloe is arrested, and the Secret Service interrupt the interrogation. Jack is arrested, and Burnett refuses the President's offer of immunity in exchange for the information regarding Juma's target. Meanwhile, Dubaku is discreetly murdered at the hospital. Renee follows the killer to a warehouse on the Potomac, where Juma's strike force is preparing to take a boat to their target. Renee stows away on Juma's boat, damaging her cell phone in the process. She learns that Juma's plan is to invade the White House via a hidden sewer duct accessible from the Potomac. However, she is spotted by one of Juma's men and flees, searching for a way to alert the White House in time.

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7:00 PM 8:00 PM

Air date: 3/2/09

Renee is rescued by Larry and informs him of the attack as Juma begins his subterranean assault. Jack is released to help guard the President en route to the nearest safe room. Bill realizes that Juma is locating the President via her tracking bracelet; he takes it and leads Juma and his men away from the President so that Jack will have enough time to escort her to the safe room. Bill is consequently captured with the rest of the White House staff. Jack and President Taylor reach the safe room while the Secret Service and Marines close in on Juma's men. Juma bluffs by announcing he has the President, forcing the federal agents to withdraw and surround the White House. The Vice President refuses to authorize a rescue attempt, fearing political consequences for himself if the President dies because of his order. Juma finds Olivia and threatens to mutilate her, compelling the President and Jack to leave the safe room.