Four more suitcase nukes are out there, and Jack's only lead takes him to the home of his brother. ...

Jack Bauer teams up with Christopher Henderson to put an end to Vladimir Bierko's terrorism. ...

Vladimir Bierko manages to escape custody and take control of a submarine, the Natalia, bent on getting his revenge against the US. Jack reluctantly teams up with Henders ...

When President Logan realizes he is backed into a corner, he resorts to a drastic solution. While Karen becomes an ally in Jack's quest to expose Logan, Miles changes all ...

Jack gets Henderson, but finds that the recording has been handed off. He tracks down the recording to a diplomatic flight. Jack gets on board, takes out the Marshal, and ...