24 Season 4 Episode 7 Synopsis

TV Guide:

“A personal matter distracts Driscoll; Behrooz contacts Dina; Edgar’s expertise puts him in the hot seat; and Jack is tipped to an enemy within the CTU, prompting a call for outside help. Paul: James Frain. Marwan: Arnold Vosloo. Gary: Lawrence Monoson.”

FOX:

CTU races against time to prevent the terrorists from melting down nuclear power stations across the U.S. Meanwhile, Jack reaches out to an old friend for help; and Sarah gets suspicious about Marianne.

The 24 Insider:

Jack and Tony will partner up and they both will lead the field investigation. In Episode 4.7 we get to see Tony, Jack and Audrey run through a building with their guns drawn.