Rachel Pickup

As Elizabeth prepares to leave the state department and announce her run for president, terrorists attack the United Nations delegation in Geneva that is there to sign the climate migration treaty.

The 20th anniversary of the embassy bombing in Mali has emotions running high; Elizabeth must decide if sanctions should be lifted against the country deemed responsible; Henry tries to help Jason break up with Piper.

Moriarty (Natalie Dormer) is brought in as a consultant on a kidnapping case that Watson and Holmes are investigating; Detective Bell struggles on the path to recovery.

Nigel's older brother finds a riddle written by Henry VIII himself that they think will lead to Anne Boleyn's wedding ring.