On the day of the California Presidential Primary, between 7:00 PM and 8:00 PM, George Mason returns to interrogate Alexis while Jack decides to stay for further investigation of the location. Jack finds a secret military prison and the surprising identity of the new arrival prisoner. Meanwhile Tony brings Teri with him to CTU. David Palmer finds how ambitious Sherry is and that his marriage is over. Kim is arrested in jail in the precinct.