Mark Zeisler

Mycroft asks Sherlock to move to London, but before deciding whether to stay or go Sherlock has one last case to investigate. The genius sleuth looks into the murder of a beautiful young woman.

Frank is lucky to survive a stranger's assassination attempt, an act that prompts a citywide manhunt.

Alicia puts her pride and misgivings behind her and represents the son of a former friend who snubbed her as soon as news of the scandal broke out. The boy has been accused of murder. Meanwhile, Alicia sees Peter who takes a call from a prostitute while in her company.