Joel Bissonnette

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

House is recruited by the CIA to treat one of their agents in a secret facility. Meanwhile, Foreman has trouble managing the applicants in their efforts to treat a racing-car driver who collapsed following a race.

The team continue to track the remaining sleeper agents. As concerns grow, Hanna contacts someone from his past.

Grissom, Sara and Nick respond when a man is electrocuted at a casino hosting an exhibition of Japanese antiquities, and find that the electrocution was just a ruse to enable the theft of the central exhibit. Meanwhile, Catherine and Warrick investigate a murder with vampiric overtones.

Sam fears for his family's safety when his wife is called to resume a former CIA cover after a case suggests ties to the infamous Sidorov and his stolen nukes.

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.