At CTU NY, Brian Hastings receives a call from Jack asking him for both immunity and a helicopter pickup for Victor Aruz, an old informant who claims to have information on an assassination attempt against President Hassan. Unfortunately, the helicopter is taken out with a rocket, killing Aruz before he can tell Jack who inside Hassan's circle is conspiring against him.
A stinger missile is fired at a CTU helicopter, incapacitating Victor Aruz. He informs Jack that the hitter on PresidentOmar Hassan has someone on the inside, but dies before providing specifics. Jack relays this to CTU.
At CTU New York, Dana Walsh tells Director Brian Hastings that there was a breach to the UN database, including a download of Hassan's itinerary. They trace it to Meredith Reed, and she is promptly detained.
PresidentOmar Hassan is in denial about Reed. His brother Farhad tells him that if the affair becomes public, it'll destroy everything he's worked for. Farhad then calls Davros, who briefs him on how important it is that CTU believes her to be the inside person, so he can perform the hit.
Jack Bauer is caught retrieving weapons from the CTU armory. He tells Hastings about what he and Chloe found. Hastings allows him to pursue the lead on his own.
Davros arrives at a residential house, and is greeted by a woman calling him Mike Farmer. Once inside, he takes her and her husband hostage. He demands the man call their Captain in the NYPD and claim he will swap shifts with "Mike".
Farhad Hassan calls Davros and lets him know that his brother admitted to the affair and is worried the set up will be revealed. Davros says his brother will be dead before the hour is up.
A security guard tells PresidentAllison Taylor there is a possible bomb in the UN and they are evacuating her and Hassan. Fahrad Hassan calls Davros to let him know his brother is leaving the building.
Jack Bauer tells the officer that the threat is going down now and he can either help or stand there. Jack is talking to Chloe who tells him the UN was evacuated for a possible bomb. Jack immediately figures that it is a trap and the bomb is in Hassan's motorcade and tells Cole Ortiz that he needs to stop that vehicle or Hassan is a dead man. Cole manages to collide with Hassan's vehicle and both of their vehicles explode and flip over.
PresidentOmar Hassan is informed by Brian Hastings that his brother was working against him. When the alarm at CTU detect traces of enriched uranium on Davros' body, Hassan informs Hastings that Farhad had been contacted previously by someone who wanted to sell decommissioned Russian fuel rods.
Sergei Bazhaev takes Farhad to meet his younger son, Oleg, who is dying from radioactive poisoning, to serve him as proof that the nuclear rods are already in the US.
Jack Bauer expresses his disapproval of Hastings' decision. When Hastings tells him there is no other option, Jack insists on going undercover with her. When Renee cuts the thumb of Ziya Dakhilov to take off his parole bracelet, Jack angrily intervenes. However, Renee refuses to abort the mission.
Sergei Bazhaev promises Farhad will receive the fuel rods as soon as he is paid. Meanwhile, Josef Bazhaev brings his irradiated brother Oleg to Dr. Joel Levine for treatment, against his father's wishes.
Renee Walker prepares to go undercover with Vladimir Laitanan to track down the stolen fuel rods. Chloe O'Brian tells Jack that Laitanan apparently tried to rape Renee when she was undercover six years ago.
When Renee and Laitanan meet, he becomes suspicious and orders her tied up and taken to a pier on the East River.
Jack Bauer asks for permission to take Renee out of the operation, since Laitanan failed to take the bait. However, Renee manages to convince Laitanan that she has nothing else to live for, and the cover holds.
PresidentAllison Taylor is told by Rob Weiss that the crackdown underway in Kamistan has not improved. Ethan Kanin says that the British delgates are threatening to pull out of the peace accord. President Taylor tells him to assemble them and convince them to continue their support.
PresidentOmar Hassan notices that a member of his opposition is a cousine of Jamot, a member of the IRK delegation. He orders Tarin Faroush to arrest Jamot and bring him to the embassy. Tarin then calls Kayla Hassan and says that they'll meet in private when he returns from the embassy.
Dana Walsh gives Kevin Wade the schematics and a key card to get into the NYPD evidence lock up building. He asked how to find the money and Dana says the bins are numbered and to do exactly what she says.
Sergei Bazhaev argues with his son Josef Bazhaev about the doctor treating Oleg Bazhaev and their operation being exposed. Sergei slaps Josef and ends up shooting Oleg to end his suffering. He tells Josef never to disobey an order again.
Jack Bauer as Ernst Meier completes the transfer of 5 million dollars to Vladimir's account. Suddenly the men pull their guns out but Cole Ortiz in time intervenes and Jack shoots three of their men dead. Jack tells the fourth man to tell Vladimir that if he tries something like that again the deal will be over. Vlaidmir says to the fourth man to bring Jack in. Jack orders him to get up.
Later, Tarin tells Kayla Hassan about the extreme measures that her father is using to find the traitors. Before they can do anything, Tarin is arrested by Nabeel on the President's orders; Kayla promises to speak to her father to help him.
Dana Walsh helps Kevin Wade and his partner break into an NYPD evidence locker. They manage to abscond with several hundred thousand dollars, but not before Nick Coughlin beats the patrolman on duty.
Vladimir Laitanan calls Sergei Bazhaev asking about nuclear materials for sale. Bazhaev denies any knowledge, then warns Josef that somebody knows about the rods.
Renee Walker presses Laitanan to keep searching for a contact who knows about the deal, but he refuses, striking her in the face. In a fit of rage, Renee stabs and kills Laitanan.
A group of Russians arrives at Laitanan's garage. Jack Bauer presents himself to them as a potential buyer, so that they will take him back to the real dealers of the nuclear rods. When Cole Ortiz arrives, Renee tells him what happened, but CTU reports that they can find no sign of their departure from the air.
Renee Walker stabs and kills Vladimir Laitanan. Jack tells her to maintain that it was self-defense, which he will back up if the murder is investigated.
Cole Ortiz orders Arlo Glass to tell him what he knows about Dana's absence. Arlo shows him video of her meeting with Kevin Wade, then agrees to help Cole track her down.
Jack Bauer secures an immunity agreement for Bazhaev in exchange for the location of the fuel rods. However, CTU teams find the truck empty and both guards dead, leading Sergei to realize his son has betrayed him.
Josef Bazhaev, now in possession of the nuclear rods, makes plans to meet with Farhad Hassan to make the trade.
Kayla Hassan confesses to her father that she and Tarin Faroush, currently under arrest on suspicion of treason, have been in love for more than a year.
Brian Hastings argues with Rob Weiss over charging Renee Walker with murder, to deflect blame for her failed undercover mission. Brian reluctantly agrees.
Jack Bauer interrupts an interview between Renee and Kristen Smith, but is arrested by CTU security. With Ortiz gone, Jack agrees to lead the operation to retrieve Farhad, in exchange for Hastings dropping the charges against Renee Walker.
Dana Walsh and Cole Ortiz hide Kevin Wade and Nick's bodies beneath the water and they get back to CTU. There, Dana gets a call from Bill Prady, who's looking for Kevin Wade.
Jack Bauer tries to disarm Marcos' explosive vest, but is not able to do that in time. Before dying, Marcos claims that one of the conspirators is Tarin Faroush.
Samir Mehran learns from Dana Walsh that the President will not hand over Hassan and tells Tarin Faroush to activate the bomb. The countdown starts from 15 minutes...
PresidentOmar Hassan incapacitates Jack Bauer and holds Renee at gunpoint, claiming that he cannot allow his life to be put ahead of tens of thousands. He escapes with Adrion Bishop.
Jack Bauer spots Tarin deviate from his course, and Jack realises they've been made. He follows him to the garage and watches as Tarin suicides by driving off the roof and crashing onto the pavement below. He suspects that a mole inside CTU allowed him to avoid the ambush. Dana decides that she needs to leave CTU immediately before the leak is traced back to her.
PresidentAllison Taylor confronts Novakovich about Russia's reticence to continue the peace accords. She turns to former PresidentCharles Logan for assistance, who implies that he can exercise some "leverage" over the Russian delegation.
Renee Walker tells Chloe that there may be an insider with the terrorists within CTU. Dana Walsh attempts to shoot her way out of the building, but is caught by Cole Ortiz.
At Jack Bauer's apartment, Renee is shot by Tokarev from a cross the street. Jack rushes her to the hospital, then learns from Chloe O'Brian about Renee's suspicions regarding Samir's assassination. Just then, he learns that the doctors were unable to save Renee's life.
PresidentCharles Logan confesses the truth of the Russian conspiracy to President Taylor, and warns that if Jack Bauer gets this information out of the Russians' mole in CTU, the peace agreement will be over.
Under interrogation by Jack, Dana Walsh, reveals that she has audio and video files that can bring down the conspiracy and will release them for a pardon.
President Taylor tells Jack Bauer that she will not grant Walsh immunity; he realizes that she is actively covering up the Russians' conspiracy. While being transported to McGuire Air Force Base for debriefing, he hijacks a helicopter and flies west toward Manhattan. Chloe O'Brian orders Agent Winnick to call the FAA and the Air Force.
Jack escapes CTU custody and PresidentAllison Taylor is worried that he'll ruin the peace signing. Kanin tells her that the evidence will still be out there, regardless if Jack is found.
PresidentCharles Logan tells Taylor that they need to control the evidence by interrogating Dana Walsh to find out where her evidence against the Russian government is. Kanin, fed up with the corruption, resigns.
Dana is taken away from CTU by Mark Bledsoe and his associates under orders of President Charles Logan and is water boarded for her evidence against the Russian Federation.
Jack is lured to a building by Chloe, only for it to be a double-double-cross. Jack approaches Cole to help him find Dana. Cole agrees and Jack makes it look to the other agents that he abducted Cole as a hostage.
Jack Bauer demands Dana Walsh's evidence implicating the Russian government in the day's attacks. Under threat of death, she gives him the bank where she stored it, but pleads that she had nothing to do with Renee's murder.
Chloe O'Brian asks Cole Ortiz to help her locate Jack Bauer. He suggests that she identify the person providing him with equipment now that CTU has turned against him.
Jack Bauer gives Reed the video evidence exposing the Russian government's role in President Omar Hassan's murder. Then, he brutally tortures Pavel to learn who ordered the assassination of Renee Walker. Eventually, he discovers that Pavel has swallowed the SIM card for his cell phone, and cuts open his innards to retrieve it. Reinstalling the card, Jack redials the last called number and reaches the voicemail for PresidentCharles Logan.
Meredith Reed hurries to keep up with Jack Bauer and asks who he's looking for; he replies that he needs someone who can supply the names of the conspirators, and asks her to publish the story in case he doesn't live to fulfill his mission. He recognizes this will destroy the peace treaty.
Jack dons a bullet-proof mask and uses a machine gun and some tear gas to capture Former President Charles Logan and demand the evidence from him. Under the threat of a five-second death countdown, Logan breaks and betrays Mikhail Novakovich to Jack.
Logan, in a medical stretcher from Jack's interrogation, contacts Russian President Yuri Suvarov about Novakovich's murder. Jack bugs the conversation and learns that Suvarov was giving Novakovich his orders and that one of them was Renee's murder.
Cole Ortiz tells Chloe O'Brian about the bug Jack put on Logan, and how Jack seems to want President Suvarov dead because Jack learned Suvarov gave the order for Renee's death. Chloe urges Cole to find the evidence, but Cole thinks it's more important to save Suvarov.
Dalia Hassan tells President Allison Taylor she will refuse to make peace with the U.S. or with Russia. Taylor says Dalia will sign the treaty, threatening her with military action.
Jason Pillar, on the manhunt for Bauer, gets captured by Bauer after getting off the phone with CTU New York. After taking Pillar to a garage, Bauer gets him to plead for his life, then knocks him out. Chloe and Cole, meanwhile, catch Jack on a security camera.
Jack Bauer catches Chloe as she walks in to the utility room where Jack is. She claims to care about Jack and to want to save his life, but he puts her out with a sleeper hold.
Jack calls Charles Logan and tells him to talk to Suvarov, and tell him his life's in danger.
