Joel Bissonnette

The agents are on the trail of an arsonist who deliberately killed a man in a rural community. The stakes are raised when the agents realise they are hunting a serial firebug.

A serial rapist sends a letter to the squad, announcing his return to Philadelphia after five years, and his plan to strike again.

The CIA recruits House to help an agent dying of an unknown illness; Foreman faces resistance from the remaining fellowship candidates when they question his judgement.

President Taylor is forced to solicit the services of disgraced former President Logan in her attempt to resuscitate the peace agreement. Meanwhile, an unprecedented emotional move by Jack Bauer triggers the unthinkable.

Sydney's life hangs in the balance when Gordon Dean discovers that Rachel, aka Mockingbird, is still alive.

With only a handful of hours remaining, Jack pursues Renee's killers. Meanwhile, the pivotal peace agreement is rocked by the arrival of undermining forces.