In this concept drama, each season takes place within one 24 hour period. Day 1: Jack Bauer is the head of field ops for an elite team of CTU agents who uncover an assassination plot targeting Presidential nominee David Palmer. Meanwhile, Jack's strained marriage to his wife, Teri, is pushed to the brink by the sudden disappearance of their troubled teenage daughter. What will the next 24 hours hold? Written by Ronos

Four years after Abu Fayed's reign of terror CTU has been disbanded by forces inside the government. Jack Bauer is facing questions in a US Senate hearing for actions he took in the pursuit of justice in addition to being fingered as the fall guy for all of CTU's mistakes. The FBI's counter-terrorism squad learns of a plot to cripple the nation's computer infrastructure when they figure out that security expert Michael Latham has been kidnapped. Written by Derfel85

Jack and Renee try to find a sniper after the death of a witness. Tony Almeida's terrorist cell gains control of the air traffic control system. Henry Taylor makes an off the books visit to confront his son's girlfriend. President Taylor continues to lay the ground work for a preventive operation in Sangala. Written by Derfel85

Conspiracy may be deep within the President's administration, her dead son may not have killed himself, and a colleague Jack thought was dead has turned terrorist: how are these surprises related?

Bauer decides to trust two former CTU colleagues, and he helps a third escape from the FBI.

After they capture the Matobos Jack, Tony, and Emerson take them and Agent Walker to a safe location. Agent Moss has to not only find Walker but also deal with the fallout from her handling of Tanner's interrogation when the Attorney General's office looks into the matter. Henry Taylor goes someplace safe to get the thumb-drive decoded. Written by Derfel85

The President defies murderous demands, while Jack and his CTU colleagues unearth an FBI Agent and plant a wire on a deposed Prime Minister. Who's in the conspiracy?

Jack and his patchwork team race to prevent an act of terror against a chemical plant; the President's husband and an African Prime Minister remain in danger.

Jack and an FBI agent believed dead have less than an hour to rescue the First Gentleman from certain death. Can they trust anyone?

The President rushes to the hospital as Dubaku plans an escape to Belize with Marika. The mole at the FBI keeps burrowing.

Moles within the U.S. government go to great lengths to protect their anonymity when they fear that Dubaku's list of corrupt employees will fall into FBI hands.

Intelligence suggests another attack is imminent, so Jack goes to the White House to interrogate a Senator's Chief of Staff.

General Juma's direct attack on the White House endangers the President, Jack, Bill Buchanan, and the President's daughter.

While the President is in danger and the Vice President vacillates, Jack and Bill try to counter Juma, realizing later that his plot is part of a larger threat.

Jack visits a U.S. Senator in pursuit of links between Juma and Starkwood, an international corporation. Security leaks at the FBI continue as they hunt for Jack.

While the FBI hunts for Jack, he and another ex-CTU rogue search for biological weapons that Starkwood has smuggled into the U.S.

After Jack is exposed to a biological agent, Moss leads an FBI strike force onto the Starkwood compound in search of weapons of mass destruction.

Jack battles the effects of toxic exposure, a reporter squeezes the President's Chief of Staff, and it is a race against time to locate weapons on the Starkwood compound.

The President meets with Jonas Hodges while Jack battles toxins in his body and works with someone inside the Starkwood compound: can they destroy the bio-weapons before rockets rain death on U.S. cities?

As grief and loss begin to overwhelm Jack and those he is close to, a double-cross goes undetected, a canister of toxic gas is in enemy hands, and a surprise death occurs.

A shadowy group of powerful people decide to stage another attack as Jack rues trusting the wrong person, Jonas seeks asylum, and the CTU servers boot up.

Olivia wants revenge against Jonas, while Jack, Chloe, Janis, and Renee try to locate a young Arab who is being set up to take the fall for a new terrorist attack.

Jack and Renee pursue the final canister, which is on the Metro, ready to explode. Chloe and Janis match wits. Kim sits at the airport about to fly home, while a cover up begins at the White House.

Jack is abducted for nefarious purposes, Kim sits in danger at the airport, and Olivia matches wits with Ethan Kanin.

Jack seeks solace from a hospital bed, a shadowy traitor comes into the open, and President Taylor, Renee Walker, and Kim Bauer each have a decision to make.