Mike pushes for the Vice-President to be sworn into office as the White House waits for news of Keeler's fate.

Two innocent bystanders are dragged into the fight as Jack and Marwan both pursue a briefcase that contains the launch codes for America's nuclear arsenal.

Curtis brings in a suspect who has critical information about Marwan's next strike. Michelle orders Curtis to use harsh methods to interrogate the suspect, but things get complicated when Marwan sends a lawyer to defend his rights.

Logan's advisors begin to worry as he continues to exhibit fear in the face of the ongoing terrorist threat.

Chloe is unexpectedly thrust into fieldwork when a woman reports that her boyfriend may be part of the terrorist conspiracy.

Jack and Curtis find their latest efforts to trap Marwan thwarted by the Secret Service, who have orders to arrest Jack for insubordination.

Mike calls on ex-President David Palmer for help as Logan continues to display a lack of leadership.

After Logan authorizes Palmer to take charge of the crisis, Palmer sanctions Jack and Curtis to infiltrate the Chinese Embassy on a covert operation to capture a suspect.

Tony and Michelle continue to bump into each other's personal lives, while Buchanan expresses anger at being kept out of the mission.

Jack faces Audrey's wrath when a medical dilemma places Paul's life in jeopardy.

CTU scrambles to forge an alibi when a Chinese representative produces evidence of American involvement in the raid on their embassy.

Audrey gives Jack the cold shoulder, while Palmer and Logan clash over the consequences of Palmer's decisions.

Jack and Curtis close in on Marwan as the countdown for the missile launch moves ahead.

Jack finds that his efforts to bargain with Marwan for the location of the missile strike are futile.

Heller pushes his son for information when CTU discovers that he may have had contact with Marwan before the attacks.

Logan finds himself in the middle of a power struggle between Palmer and the ambitious Speaker of the House.

Tony and Michelle explore their rekindled passion for each other, but their hopes for the future may be short-lived when a familiar player enters the game and takes a hostage.

Mandy uses Tony as leverage to try to force Michelle to aid in her escape.

A Chinese security operative captures and interrogates one of the CTU agents involved in the raid on the embassy.

Palmer and Logan argue over the option of evacuating all major cities that may be targets for the missile.

As the missile speeds toward its destination, Mandy cuts a deal with Jack and the President to give up Marwan's location in exchange for a full pardon on all of her crimes.

Tony and Michelle share a happy reunion, but Jack finds his relationship with Audrey shattered as she makes her feelings known.

Logan's advisor suggests a drastic course of action when the Chinese government demands that Jack be handed over to them for trial. Palmer tries desperately to warn Jack of the danger against him.

Jack's life changes forever as Tony, Michelle and Chloe help him to evade the trap set for him by Secret Service.

Jack's search takes him to the home of an old enemy, while a bomber slips into the White House.

Jack's search takes him to the Russian Consulate, while the Vice President contemplates a sweeping executive order.

The search for Gredenko finds Jack hunted inside the Russian Consulate and a former President calling on his ex-wife.