Prequel

Jack walks into an office. The new director of CTU Los Angeles, Erin Driscoll, is reading over some documents. She greets Jack and tells him to have a seat. She informs him that she's removing him as head of Field Ops because he's a liability. Jack asks her to explain, and she cites his tendency to stray from protocol, but says that the real problem is his former addiction to heroin. Driscoll tells Jack that it showed a major weakness, and that she can't tolerate any weaknesses. Jack reminds Driscoll that he became addicted to heroin because of his undercover work with CTU, but she doesn't change her mind. As he leaves, she offers to look around for a job for him. Jack turns back to her and shoots her a half-smile and tells her he can find his own job.

7:00 a.m.-8:00 a.m.

A young computer hacker named Andrew Paige sees something that he shouldn't on the Internet. Suddenly, he finds himself running for his life as he is pursued by terrorists. Luckily, he is able to warn Chloe O'Brian before it's too late. The Iranian Araz family are not what they seem and it becomes clear that they are heavily involved with the day's events. Meanwhile, Heller has a confrontation with his estranged son. Jack finds that Chloe is his only ally as he tries to prove that the train explosion is merely a diversionary target.

8:00 a.m.-9:00 a.m.

Jack pushes Driscoll to reinstate him in the wake of Heller's kidnapping. He finds himself working as a subordinate when the Field Ops team goes to pick up Andrew. Behrooz finds himself torn between his loyalty to his parents and his feelings for his girlfriend as he is sent on his first assignment. Heller tries to comfort his daughter as his captors broadcast their intentions on the Internet.

9:00 a.m.-10:00 a.m.

Jack tracks Kalil with Chloe's aid, but is forced to watch helplessly as Andrew is tortured for information. Behrooz pleads with his parents when they order him to bring Debbie to their home for questioning. Curtis uses harsh methods to interrogate Heller's son as Driscoll continues to search for Jack.

10:00 a.m.-11:00 a.m.

Jack acts as a bandit and takes hostages to buy Chloe more time to get satellite surveillance. Meanwhile, Chloe must confide in Edgar for help when Driscoll becomes suspicious. Behrooz discovers just how far his mother is willing to go to insure that their secret mission is successful. Heller and Audrey attempt to escape from Omar, while Driscoll uses her influence to deal with a personal crisis.

11:00 a.m.-12:00 p.m.

Jack and Driscoll agree to work together when the police make a critical error in dealing with Kalil. Heller and Audrey take drastic action in the hopes of avoiding the impending trial. Driscoll makes a deal with Chloe to get her out of the way, while the Araz family faces another problem in their cover-up.

12:00 p.m.-1:00 p.m.

Jack initiates a fierce gun battle with the terrorists as he races to rescue Heller and Audrey before the military strike begins. Dina questions her own dedication to their cause when her husband reveals his plans for Behrooz. Driscoll and Curtis uncover new evidence that points to an even bigger attack by the terrorists. Audrey has an awkward meeting with her husband, and Heller butts heads once again with his son.

1:00 p.m.-2:00 p.m.

Jack takes Audrey to ID the man she recognized at the compound, but the terrorists get there soon after and pin them down. Jack must call on an old friend to help him escape. Heller puts Edgar in charge of dealing with the nuclear override, while Driscoll's daughter Maya takes a turn for the worse. Dina is wounded when she helps Behrooz flee from Navi. Navi's boss orders him to kill his wife and son before the day is over.

2:00 p.m.-3:00 p.m.

Jack and Audrey hide out with an embittered Tony as Audrey makes a positive ID of the man from the kidnapping. Marianne successfully diverts suspicion from herself, leading Driscoll to torture the wrong person for information. Behrooz takes Dina to a hospital for medical attention, but the doctor becomes suspicious of her gunshot wound and phones the police.

3:00 p.m.-4:00 p.m.

Jack and Tony are able to trace Dina's location, but Behrooz slips through their fingers. Dina demands a full pardon for her son in exchange for information on the override device. Edgar wrestles with his emotions when his mother is trapped in the path of the nuclear fall-out. Behrooz turns to his uncle for help, but Navi closes in on him before he can get away.

4:00 p.m.-5:00 p.m.

Audrey places herself in a compromising position when she and Jack learn of her husband's possible involvement with the terrorists. Marianne offers Curtis information on the location of the override device in exchange for a lighter sentence, but the tables soon turn and Curtis discovers that there's another player in the game. Sarah bargains for a stronger position at CTU, while Tony takes charge of the interrogation of Dina and Behrooz.

5:00 p.m.-6:00 p.m.

Jack tortures Paul in front of Audrey, which shocks her. Habib Marwan, the terrorist in charge of orchestrating the days events, is discovered to be an employee at McLennan-Forester under an alias. CTU discovers him and is able to prevent the remaining nuclear plants from melting down. Erin's daughter Maya commits suicide in the clinic bathroom.

6:00 p.m.-7:00 p.m.

Jack and Paul try to find information about Marwan at McLennan-Forster, whose employees try to prevent any incriminating evidence from being found by detonating an Electromagnetic pulse bomb. Heller replaces Erin with Michelle Dessler, Tony's former wife.

7:00 p.m.-8:00 p.m.

Jack and Paul hide in a gun shop as commandos try to kill them to prevent them from presenting incriminating evidence of McLennan-Forester.

8:00 p.m.-9:00 p.m.

Jack plans to use Dina to contact Marwan, while Michelle is able to convincs Chloe to come back to CTU after being let go earlier in the day.

9:00 p.m.-10:00 p.m.

Jack is held by Marwan who proposes to exchange him for Behrooz. Bill Buchnanan takes over CTU. Edgar Stiles misses an important piece of information.

10:00 p.m.-11:00 p.m.

Jack and CTU discover Marwan's plot to shoot down Air Force One, but are unable to stop it in time.

11:00 p.m.-12:00 a.m.

Jack and Marwan hunt for the nuclear football at the crash site. Vice President Logan takes the oath to become President, and prepares to address the nation.

12:00 a.m.-1:00 a.m.

Curtis brings in a suspect, but his efforts to question him are thwarted. Jack quits CTU and takes the matter into his own hands. Marwan's men take a nuclear weapon.

1:00 a.m.-2:00 a.m.

Chloe is sent in the field and is attacked. President Logan asks for help during the crisis.

2:00 a.m.-3:00 a.m.

Jack goes covert to extract an informant from the Chinese consulate, risking an international incident. The informant is wounded, and Jack must make a difficult choice to save his life.

3:00 a.m.-4:00 a.m.

Jack gets a lead on the location of Marwan. He leads a CTU team to surround the location, but they're too late. Marwan launches a cruise missile with the armed nuclear warhead.

4:00 a.m.-5:00 a.m.

Marwan escapes. The missile heads towards an unknown target. A Heller family secret is revealed. Michelle and Tony decide to leave CTU, but Tony is taken hostage.

5:00 a.m.-6:00 a.m.

Howard Bern flies to San Diego to establish an alibi. He is kidnapped by Cheng Zhi, and betrays Jack Bauer as the leader of the raid on the Chinese consulate.

6:00 a.m.-7:00 a.m.

The target for the missile is determined to be Los Angeles - it is shot down as it approaches. President Logan's security chief sends someone to CTU to kill Jack. With help from Tony, Michelle, and Chloe, Jack fakes his own death and starts a new life.