Jack learns the identity of the agent who may be working against him. He acquires Jamie's help to get evidence. Palmer finally learns of the damning story about to hit the press, involving his son and a possible murder several years ago. Kim and Janet manage to escape their captors. Kim is able to get a message to Teri, but an accident results in her recapture. Tony calls for outside help when he decides that Jack should be relieved of his command.