Lydia and Owen teach the trainees how it's sometimes necessary to lie and cut off relationships; Alex feels distant from Ryan; Alex and company try to destroy the biological weapon.
Alex tries to get Owen to accept there's a traitor among them; the recruits work to get an asset with a death wish out of Germany; the terrorists use a new method to extract information from the hostages.
The recruits learn how to handle the situation if they are ever exposed; a death leads to an FBI investigation at the Farm; Alex uncovers the true traitor within the CIA.