In the series finale, the hunt closes in on Ames.
Sandy becomes convinced Ames is the cause of the assets' compromise.
Sandy and Jeanne move full steam ahead with their mole hunt.
Sandy and Jeanne clash; Ames gets approval to go to Rome.
After realizing a breach remains at the CIA, Sandy clashes with Jeanne Vertefeuille.
The CIA and FBI mobilize to bring the brilliant Edward Lee Howard to justice.
The CIA scores a major break when Vitaly Yurchenko, a high-ranking KGB officer, defects to the US.
A rendezvous with a valuable asset goes awry.