Robert Maffia

When floating bodies turn up, Coulson and the Agents must hunt down an elusive killer. No one is safe - not even the team.

Now that agent Jack Bauer has exposed and interrogated the administration's link to the terrorists, President Logan reinstates him to CTU on a provisional basis.

Although extremists tried to derail the signing of the historic arms treaty between the United States and Russia, the signing proceeded and as a result, America has inherited some of Russia's enemies. The terrorist mastermind, billionaire Vladimir Bierko, intimidates the administration while autocratic CTU leader Lynn McGill comes under fire from President Logan.

When Jack Bauer is realigned with the President's plan to track the looming terror threat, he navigates CTU to a new lead. While this lead is pursued, the threat intensifies and the stakes rise.

By following a trail of forensic evidence, the team tries to stop the Taxi Cab Killer from targeting another fare.

Nora and Sarah use Evan's birthday as an excuse to fly out East and find out what is going on with Kitty; Olivia seems nervous about her new life with Kevin and Scotty.