Johanna Day

After a brain injury erases the last eight years of Dr. Amy Larsen's life, she must navigate an unfamiliar world where she has no recollection of patients she's treated or the tragedy that caused her to push everyone away.

A beautiful woman with ties to a billionaire CEO is murdered; Mycroft tries to talk Sherlock into moving back to London.

Elizabeth realizes that Afghan government may want to compromise with the Taliban; Henry tries to convince a Russian spy to help the U.S.; Daisy returns from maternity leave and decides to tell Joe's mother about the baby.

President Dalton's mental status is questioned when he threatens Russia over its potential role in a sonic attack at the U.S. embassy in Bulgaria.

The president and Elizabeth refuse to negotiate with terrorists for the release of a captured CIA agent; Henry disagrees with them; Elizabeth tries to support Stevie through a difficult time.

Elizabeth is torn about giving a Presidential Medal of Freedom award to someone who may not deserve it; President Dalton doubts his ability to return to office after being cleared by his doctor; Henry's sister pays a visit.