Wayne defends the idea of offering up Chappelle to Saunders, but Palmer is afraid of permitting the terrorist to dictate his actions.
Jack enters CTU with the hard drive from MI-6. Chappelle explains how he's trying to trace Saunders's money trail. Jack is interrupted by a private call from the President.
Palmer informs Jack that Saunders wants Chappelle's body delivered to the downtown train yard. Jack is confused by Saunders's request, but he knows that the President has no other choice. Jack hopes to find Saunders before they are to hand over Chappelle.
Jack orders Chloe to transfer the search for Saunders from District back to CTU. She reluctantly agrees to hide this from Chappelle.
Tony has the suicide capsules delivered to Michelle. She breaks down emotionally to him. Tony wishes he could be there with her.
Jack asks Tony whether Chappelle and Saunders have any connection because Saunders just demanded that the President kill him. Tony downgrades Chappelle's security clearance in case he becomes a flight risk. They decide not to tell anyone else.
Chappelle questions Jack on what Palmer wanted from him. Jack admits the truth about Saunders's request. Chappelle is confused because he does not know Saunders. Jack thinks that the money trace proves that he may have been on the right track. He will try to capture Saunders before the hour is up, but he asks Chappelle to turn over his files to Chloe right away.
Chappelle frantically tries to access Saunders's offshore bank account, but it's encrypted. Chappelle wonders if he is being targeted by Saunders because of some lead he may have found. Jack encourages him to send the file to Chloe so that she can complete the work.
Michelle is saddened to see Phillips become infected with the virus. He begs Michelle to let him call his wife, but she is not allowed to grant him that wish. Michelle tells the other hotel guests that there is no chance of recovery once symptoms have appeared. The estimated time of death is within six hours. She offers the suffering people suicide pills if they decide they want such an option.
Michelle is alerted to another situation. One of the guests can't find the man she came to the hotel with. The woman doesn't know the man's name because she met him in a bar and they had a one night stand. He disappeared after the fire alarm. Michelle calls for a forensic team to dust the woman's room for fingerprints.
Tony lets Jack know that Chase has a strike team assembled. There is also a helicopter ready to take Chappelle to the train yard across town. Chloe tells Jack that the decryption may take ninety minutes. He won't tell her why it is so important, but he wants her to work faster. Kim offers to help Chloe. Jack notices that Chappelle is missing.
Chappelle is prevented from leaving CTU by a security guard. He tells Jack that he is only going outside for a cigarette. Under authority of the President, Jack orders Chappelle to a holding room.
Michelle warns Tony that an unidentified man has slipped out of the hotel. The man is probably unaware that he was exposed to the virus. Michelle goes through the encounter with the woman to find more clues. The woman hands over her belt and the agents find another set of fingerprints on the buckle. Michelle sends the prints to CTU for analysis.
A man named William Cole slips into his house and awakens his wife. He tells her that he worked late. Cole goes in the bathroom and notices blood dripping from his nose.
Chloe decrypts Saunders's bank account and Kim sees that Saunders is listed as having several addresses across the country. One is in downtown Los Angeles. Saunders called a transfer from that location forty-five minutes ago. Tony alerts Chase to raid the apartment. Jack commends Chloe and Kim for their work.
Jack informs Chappelle about the lead on Saunders. Chappelle's elation turns into dread when Jack takes him to a waiting helicopter en route to the train yard. They still need to be in place for Saunders's deadline.
Gerry Whitehorn, Palmer's press secretary, says that a reporter from the Los Angeles Times is asking whether a toxic accident at the Chandler Hotel is connected to the White House's red alert. Wayne tells Whitehorn the truth about the virus so that he can handle the media onslaught. Palmer warns him not to go public until they know the virus is contained.
Up on the roof of CTU, Jack and Chappelle are stopped by Chase. He questions why Jack is not going with him to grab Saunders. Chappelle says that Jack is wanted for more interrogation by Division. Chase accosts him, and Jack tells him to back off.
Chase and another agent arrive at the parking structure across from where Saunders has been traced. Chase sees three men outside the building, and he thinks he knows a way to bring down the guards before they can warn Saunders.
Since all flights from LAX have been grounded, Saunders learns that only three of his couriers made it out to various American cities. This revises his casualty projections down to five million dead within the first forty-eight hours.
Adam comes up with 300 potential matches to the partial fingerprint from the hotel. Tony has him send all the photos to Michelle so that the woman can go through them. Chappelle calls from the helicopter to check on Chase's status. As the chopper lands at the train yard, Tony patches Chappelle and Jack in to Chase's comm feed.
Outside Saunders's apartment building, a street sweeper passes between a guard and a car. Chase and his agents shoot the guards amid the confusion. They enter the building as another strike team goes up the fire escape to the roof. Chase enters the apartment, but it's empty, save for a switching mode that has been relaying calls from this location.
As he listens to the unsuccessful raid over the intercom, Chappelle's optimism deflates. Suddenly, Jack's cell phone rings. It is Saunders, who orders Jack to leave Chappelle's body in the van that will soon be arriving at the train yard. "If you don't follow my directions, I will release the virus immediately,"Saunders says.
Dr. Sunny Macer brings a suitcase full of suicide pills into the hotel and offers them to the virus-stricken guests. An agent brings Michelle to the room where the woman is looking through the photos matching the fingerprint. The woman identifies one of the faces as the man she spent the night with.
A perspiring Cole notices his face is ashen. From inside the bathroom, he tells his wife that he has to go to leave for work.
Jack phones Adam at CTU and tells him to check the satellite imagery on his location. He wants him to follow the black van coming toward the helicopter.
Jack helps the shaking Chappelle from the chopper. The two men walk through the yard. Jack asks Chappelle if there is anyone he wants to talk to before he dies, but Chappelle says no. Jack makes Chappelle get on his knees, and Chappelle begs to be given the chance to take his own life. Although Jack is at first hesitant he hands over his gun. Yet Chappelle is unable to pull the trigger. Jack takes the gun and fires point blank at Chappelle's head.