David Furr

Elizabeth and Philip come together to deal with a mission gone wrong, but struggle to reconcile their ideologies; Stan welcomes a Soviet defector to America; Nina acclimates to her new living arrangements.

Danger mounts for Elizabeth and Philip as they get closer to the inner circle of the CIA Afghan Group; Stan monitors Zinaida; Agent Aderholt challenges Agent Gaad on a crucial operation; Arkady tasks Oleg and Tatiana with gathering intel.

Sherlock investigates when a wealthy man believes that he was deliberately infected with a degenerative disease; Watson pursues her first solo case.

Alicia finds herself defending a lawyer for defending the creator of Bitcoins, an online currency.

On the eighth anniversary of the murders of his wife and child, Jane is taunted by Red John, the serial killer he blames for their deaths. With his concentration wavering, Jane jeopardises Lisbon's latest case and his position within the CBI.

Elizabeth works on freeing environmental activists held in China for spying while the identity of the cyberstalker may be someone from Elizabeth's past.