Day 1: 1:00am-2:00am

Jack's plans to find Kim are sidetracked when he gets a call from Walsh, who is being stalked by assassins connected with the Palmer hit.

Summary
While the CTU attempts to discover more information about the Palmer hit and the plane explosion, Richard Walsh, who is being stalked, calls Jack and asks him to come and help him. Bauer discovers who the mole inside the CTU is.