S4E10 : Day 4: 4:00 P.M.-5:00 P.M.

Audrey places herself in a compromising position when she and Jack learn of her husband's possible involvement with the terrorists. Marianne offers Curtis information on the location of the override device in exchange for a lighter sentence, but the tables soon turn and Curtis discovers that there's another player in the game. Sarah bargains for a stronger position at CTU, while Tony takes charge of the interrogation of Dina and Behrooz.