Jason and his team are on a rescue mission to save a Russian scientist and his wife from the Chinese and Russian special forces.
Kovac, Abby and Sam struggle to save a man's life after his stomach pain turns into a life-threatening condition.
Larry suspects the weatherman is deliberately giving inaccurate forecasts; Larry manages to traumatise the Greenes' daughter at a dinner party.
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.