Elizabeth and cabinet members brace themselves as President Dalton prepares for a retaliatory nuclear attack on a country that has reportedly just launched missiles bound for the US.
Holmes investigates the death of a vigilante, known for catfishing sexual predators online. Watson looks to lend Shinwell a hand.
CIA analyst Charlie Tucker and President Payton consider how to avenge the death of Payton's son, who was killed a year ago in Kabul when a diplomatic convoy was attacked.
On a trip to Qatar with the president, Charlie deals with a local who claims to be a CIA asset, but the agency has no record of the man; Charlie takes a deadly risk in pursuit of the truth about her fiancé's death.
Jill attends a traditional Thanksgiving meal with Brooke's sisters in the fearsome suburbs, where she learns why Brooke is the way she is.