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 must negotiate with Iran regarding their escalating nuclear program; Jason interviews his father for a school report.

When Elizabeth disagrees with the president's response to tension with Russia, she is pushed out of the inner circle; incriminating photos of Harrison and Stevie come to light.

When an assassin attempts to kill President Reagan, Philip and Elizabeth scramble to handle the fallout within the KGB. Meanwhile, Stan pressures his source within the Rezidentura to find out if the KGB was responsible for the attempted assassination.

A Russian nuclear submarine disappears in American waters, putting Elizabeth in a tricky situation; Stevie ends things with her boyfriend.