24 Season 5 Episode 7 Synopsis

FOX:

When Agent Jack Bauer is realigned with the President’s plan to track the looming terror threat, he navigates CTU to a new lead. While pursuing this lead, the threat intensifies when the hostiles up the stakes.

TV Guide:

With 20 canisters of weaponized nerve gas in the hands of the terrorists, President Logan is able to talk Jack into rejoining CTU until the crisis is over.

The 24 Insider:

Nathanson goes dark; A CTU keycard is stolen; Jack and Curtis lead the covert assault at the home of a terrorist suspect.