Day 4: 8:00 P.M.-9:00 P.M.

Jack learns the identity of a man who may be able to lead him to Marwan. He forces Dina to help him in a mock hostage situation that will get him close to the suspect. Michelle calls on Chloe for help when Edgar begins to crack under pressure. Meanwhile, Audrey stands by as a gravely wounded Paul is taken into surgery. Marwan's plan continues as his henchman uses an unwilling pilot to gain access to an airfield.