When a rape victim is arrested for murder in Suffolk County, Detective Benson questions the case and finds enough evidence for District Attorney Barba to charge a different suspect in Manhattan.
Amidst Holmes and Watson's battle with tech billionaire Odin Reichenbach, the duo receives word of their old enemy and Sherlock's former love, Jamie Moriarty.
Templeton makes headlines; Bunk follows up on old leads; McNulty takes an interest in the homeless.
Carcetti makes the rounds with members of the force; Herc tries to retrieve his camera; the return of a missing family member dismays Michael.
Freamon and Greggs move to the homicide unit; Cutty gets a job at Tilghman school; Bubbles gives Sherrod an ultimatum to get back in school.