Buchanan is summoned to the medical area because Tony has woken up and is asking for Michelle. The doctor fears that Tony's condition will destabilize if told the truth about Michelle's death.
Buchanan tells Tony that he thinks Michelle will be fine. Tony demands to immediately speak with Jack. He also wants Michelle to know that he is alive.
Amid the wreckage of the motorcade, Martha cries to Agent Pierce that her husband knew about the attack and didn't do anything about it. Pierce doesn't understand why the President would give the Suvarovs' route to the terrorists. The Marine One helicopter arrives to pick them up.
Bierko has his technician Viktor arm the canisters. He wants it placed in an area that will inflict the maximum casualties.
Bierko calls one of his men, Ostroff, who is on his way to pick up a keycard which is crucial to their plan.
Ostroff phones Jenny McGill's boyfriend Dwayne to arrange the tradeoff for McGill's CTU keycard. Dwayne and Jenny use the keycard to cut up lines of cocaine.
Logan worries about what he will say to his wife. He second guesses the decision to give in to the terrorists.
Jack calls CTU to report that Christopher Henderson was responsible for handing over the nerve gas. Henderson covered up his involvement by blowing up the Omicron servers and then escaping. Chloe tells him that Henderson's computer has been exchanging data with his home system. Buchanan wants to send backup, but Jack thinks he needs to go to Henderson's house alone. The former agent will recognize being ambushed by a tactical team.
While driving, Henderson calls his bank in Buenos Aires and asks for access to his safety deposit box.
After examining corpses of the terrorists from the motorcade attack, Curtis finds a schematic of a ventilation system. He tells Buchanan that it might be the location of a possible nerve gas target. It has a time of 6:00 on it. Curtis sends the map to Chloe for analysis.
When the doctor has no news on Michelle's condition, Tony becomes suspicious. He removes his IV tubes, gets out of bed and peels the bandage off his burned face.
Tony sneaks into the medical office and types Michelle's name on the system search. Buchanan comes in as he Tony learns that Michelle is listed as deceased. He collapses in sadness.
The chopper carrying Martha and the Suvarovs lands at the retreat. Logan goes to apologize to his wife, but she is angry that he didn't stand up to the terrorists. She walks away.
Logan pulls Suvarov aside to tell him he only just learned about the nerve gas threat. Suvarov grants the United States access to Russian intelligence to stop the separatists. Suvarov also says that he noticed Martha's strange behavior when she first got into the limo. Logan blames this on her medically-treated depression.
McGill asks Buchanan for permission to contact his sister regarding a personal matter. Buchanan allows him the use of a phone.
McGill calls Jenny, looking for his keycard back. He threatens to call the police. Dwayne won't give the card to Jenny because he claims to be getting $20,000 for it.
Logan goes to see Martha, but Evelyn refuses to let him in on order from the First Lady. Martha asks Evelyn to bring Pierce to her.
Edgar finds the building depicted in the blueprint that Curtis uncovered. It is a hospital, and Buchanan notifies them to evacuate.
Inside that hospital, Bierko's henchman Viktor is dressed as an orderly. He pushes a gurney that hides the nerve gas canister.
Jack sneaks into the backyard of the Henderson house. He sees Henderson's wife Miriam in the window.
In the CTU chopper, Curtis calls the hospital's security officer, Wegman. He warns the man about the urgency of the nerve gas situation.
Jack surprises Miriam Henderson, who thought that Jack was dead. She says that her husband is still at work and hasn't called her. With his gun trained, Jack demands to see Henderson's computer. He explains what Henderson has been up to, but Miriam doesn't believe him. Jack forces her to the den and he puts away his gun. He sits down to Henderson's computer as Chloe begins to help him hack into it.
Martha warmly takes Pierce's hand while thanking him for saving her life. Novick sees this and dismisses Pierce. Martha tells Novick that she doesn't want to see her husband. As Novick is leaving, Pierce tries to explain himself."Whatever did happen, make sure it doesn't happen again," Novick sneers.
As patients are evacuated from the hospital, Curtis arrives on the scene and meets up with Wegman, who says that a number of ICU patients cannot be moved. Curtis dispatches his teams to find high-risk areas in the building.
Viktor notifies Bierko that the hospital is being evacuated and surrounded by police. Bierko pulls up the building's schematics and instructs Viktor to another entrance that might not be guarded."I need you to finish this task," Bierko implores."Even if it means you don't get out."
Audrey gets Bierko's name from Russian intelligence and tells the President that they believe he is financing the entire terrorist attack himself.
Miriam thinks Jack has some sort of hatred for her innocent husband. Chloe uncovers a list of satellite phone numbers on Henderson's hard drive, but there is a password protecting it. Miriam says she doesn't know the password.
Wegman finds surveillance images of Viktor dressed as an orderly. Curtis sends teams to that area and has CTU run a face match.
Edgar finds Viktor's identity as a Russian criminal. Curtis gets confirmation and sets off to find the man.
In the subbasement, Viktor arms the canister. Curtis comes upon him and shoots him.
Donning a gas mask, Curtis sees the detonated canister and calls for the chemical response team.
As the people continue to flee the hospital, Curtis waits for help with the gas. Buchanan orders a mandatory evacuation of the entire downtown corridor.
Chloe determines that the encryption on Henderson's computer will take half a day to crack. She apologizes to Jack and lets him know about the canister at the hospital.
Henderson returns home. Jack knocks him down and handcuffs him. Henderson feigns ignorance about the nerve gas. Miriam screams for Jack to leave him alone. Jack opens Henderson's briefcase which contains stacks of hundred dollar bills. Miriam is shocked, and she questions whether her husband has been lying to her. Henderson claims he is serving his country, and taunts Jack to shoot him because he knows nothing.
Instead of firing at Henderson, Jack shoots Miriam in the leg above the kneecap so that she will still be able to walk. Miriam cries out in pain and begs her husband to tell Jack what he wants to know."Forgive me, Miriam, I can't," Henderson says to both Jack and Miriam's horror. Jack calls for an ambulance. He also has CTU ready an interrogation room with hyoscine-pentothal prepared for Henderson.
Buchanan calls Curtis, who has found a timer on the canister. Since it will detonate in a minute, the bomb squad won't have time to stop it. Curtis picks the canister up and runs out of the basement into the hospital wards. He speeds out the door and gets the canister to the tac unit's truck where it is sealed into a chemical container. They lock it in as the trigger detonates. The nerve gas is contained and the hospital is saved.
Ostroff kills Jenny and Dwayne. He calls Bierko to let him know that he has the CTU keycard.