Jack Bauer confronts Joseph Wald about the attack on CTU. Wald gives up the information Jack's after, then shoots himself. Photos reveal Wald's collaborator to be Nina Myers.
Roger Stanton arrives at Northwest Command Center and talks with David Palmer. He gives his concerns about the ambassador. The ambassador's helicopter crashes.
Reza's parents and find out about the questioning of Reza. Reza tells Tony Almeida that Bob Warner is responsible for the wire transfers into Syed Ali's account.
Kate and Marie Warner argue over the interrogation of Reza Naiyeer and Bob Warner. Tony asks George how to proceed, and George orders both Reza and Bob brought back to CTU. Kate attempts to dig deeper into her father's records.
Lynne warns President Palmer about the situation with Ron Wieland. Palmer tells Sherry that many on his staff don't trust her, but he needs her to get information for him.
President Palmer questions Roger Stanton about the Coral Snake team. He expresses his misgivings about Stanton to Sherry Palmer. Sherry warns Stanton about Palmer's suspicions.
Syed Ali instructs Mohsen to kill Kate Warner. As she pleads for her life, Jack rescues her. She informs them that Ali was going to pray. Jack requests the location of the closest mosques.
Miguel starts a fire in the police vehicle carrying him and Kim Bauer to Los Angeles, causing an accident. Kim radios in requesting medical assistance, and then escapes.
Jack informs Kate about Syed Ali's role in the terrorist plot. Kate identifies Ali in the mosque. Upon attempting to apprehend him, CTU agents find what they believe to be Ali having burned himself to death, then resume the search upon discovering that it was a decoy.
Jack Bauer interrogates Syed Ali, to the point of authorizing the assassination of one of Ali's sons. Ali relents and reveals that the bomb is located at Norton Airfield.
President David Palmer authorized the torture of NSA director Roger Stanton. After President Palmer confronted Stanton himself, regarding the Coral Snake group, Stanton told him to talk to Sherry. Jack Bauer discovered six Coral Snake members killed by someone they knew.
Kim Bauer fled into the woods and got lost and stuck in a trap. A backwoodsman named Lonnie McRae rescued her and brought her back to his cabin. He lied to her and told her that the nuclear bomb went off so that she would stay and keep him company.
Kim demands Lonnie McRae let her go as she knows the bomb didn't go off. Lonnie confesses he lied, but explains that he just wanted company. After Lonnie gives her a gun for protection against cougars, Kim leaves into the forest.
President Palmer speaks to Sherry after interrogating Roger Stanton, who's known about the bomb for weeks. Then President Palmer orders Sherry to leave. He threatens to place her under arrest should she resist.
At Norton Airfield, Marie Warner points a gun at Kate Warner's head and threatens to kill Kate unless she hands over her badge. Kate resists and Jack comes out and shoots Marie in the arm, disabling her. Later, Marie confesses that the bomb is downtown, at the ARCO Towers. Jack is suspicious because of Marie's hurried tone, and orders his agents to initiate a grid search of the airfield staring from north to south.
The N.E.S.T.agent runs to a truck and finds a green duffel bag inside. They open it, revealing the real nuclear bomb. Jack Bauer asks them how much time they've got. They respond by saying any second...
Jack speaks to PresidentDavid Palmer that the nuclear bomb will have to be flown out of the city. The N.E.S.T. team loads the bomb onto the Cessna. Lynne Kresge tells Palmer that Ground Zero in the Mojave is a very specific location to dispose of the bomb. Mike conveys to Palmer that the pilot will go down with the plane. It's a suicide mission to save thousands of lives. Palmer finds out Jack is flying the plane. After this, Palmer orders his staff to prep Air Force One to L.A. much to Lynne and Mike's dismay.
Yusuf Auda arrives at CTU. Michelle tells Tony Almeida that Auda and his country's government helped CTU seize Syed Ali's apartment. She hands him a hard drive containing a recorded conversation of Ali and three high-ranking Arab leaders in Cyprus on April 5th. This indicates that these three Arab countries supplied Ali with the bomb.
Kim Bauer is in the car with Anne, and she talks to her dad, Jack. He divulges that CTU found the bomb. But the bomb is impossible to diffuse so Jack must fly it out to LA. Kim cries and Jack reassures his love for her.
Jack Bauer senses movement behind on the plane and finds George Mason in the rear. Mason gives Jack a parachute and talks Jack out of flying the plane. Mason ends up flying the Cessna. Later, Jack covers his head and hides behind a slope as light flashes on him. The bomb explodes into a nuclear mushroom cloud of powerful kilotons at Ground Zero...
Tony Almeida is told by Jack that Syed Ali has been assassinated, and that the veracity of the recording is in question. Tony passes the information on to PresidentDavid Palmer.
Jack Bauer gets a call from an unknown man who wants Kate Warner in return for evidence that the recording is a hoax. Jack knocks down Tony Almeida and flees with Kate.
Michelle Dessler admits to Tony Almeida that she has been helping Jack Bauer. Tony calls Jack, who says that the President asked Bauer to get proof that the Cyprus recording is a fake and that the man that can give the proof will only deal with him. Tony asks Jack if he's being 'used' by Wallace, Jack says that ten commandos just attacked them in order to keep this man from making a deal.
Jonathan Wallace, dying in an urgent care center, tells Jack Bauer that the evidence with source recordings proving the 'Cyprus' audio is a fake is on a memory chip. Before he dies he manages to say the chip is 'inside'. Jack cuts open Wallace's chest and finds the chip.
PresidentDavid Palmer is briefed by General Blaye that the US bombers are over the Atlantic ocean and the first will reach their targets in just under three hours. Lynne Kresge says the Secretary of Defense wants to know how long Palmer will give Jack to disprove the tape. Palmer states that Jack has up until the time the bombs are released from the planes and every moment available will be used in order to be thorough. Kresge implies that people won't be happy with the delay of final orders.
Tony Almeida calls President Palmer to inform him that Jack Bauer may have information that prove the Cyprus audio is a fake; President Palmer calls off the attack against the Middle Eastern countries.
PresidentDavid Palmer tells Jim Prescott that if he has a problem with his policy, to come to him first; Prescott calls Mike Novick to make sure that Palmer doesn't know about the plans to hold a secret session of Congress.
Kate Warner is assaulted by three men who steal a chip containing an audio file on it. Jack Bauer shoots one of them, but the two remaining men lock themselves in a room.
Jack Bauer learns from Tony and Michelle about a lead found on the chip, and goes to investigate it. A moment after he gets there, Sherry Palmer turns on the lights.