A crucial agent crumbles under emotional distress and threatens to topple a valuable network of KGB informants. Professionally, Philip and Elizabeth are tasked with infiltrating the FBI's new communications encryption system while personally they are... (more) forced to grapple with one of the darker aspects of life as a spy.

Alison Wright, Annet Mahendru, John Dossett, Lev Gorn, Margo Martindale, Michael Countryman, Peter von Berg, Richard Thomas, Susan Misner