A beautiful woman with ties to a billionaire CEO is murdered; Mycroft tries to talk Sherlock into moving back to London.
Olivia dreams about a suicide as the event really happens at Grand Central Station; shocking information about the ZFT manuscript is revealed.
Elizabeth must negotiate with Iran regarding their escalating nuclear program; Jason interviews his father for a school report.
Dr. William Masters runs a successful medical practice and conducts a secret study of human sexuality; a former nightclub singer proves to be an asset to Masters' work.
A Russian nuclear submarine disappears in American waters, putting Elizabeth in a tricky situation; Stevie ends things with her boyfriend.