Lucas Caleb Rooney

As Detective Carter deals with the fallout from her recent encounter with Reese and Finch, the Machine ups the ante for the duo by giving them four Social Security numbers instead of one.

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.

As Sherlock reels at the reappearance of his former lover, Irene Adler, a series of flashbacks unravel the tumultuous events that led to his downfall into addiction. Meanwhile, he and Joan once again find themselves in the crosshairs of the enigmatic Moriarty.

Alicia and Will's latest case brings them to an inquest at the coroner's office, where they are hindered by a strict rule that limits their questioning to three per witness. Also, Cary's father returns to bring new business to the firm and Eli schemes against Jordan. John Shea returns as Jeffrey Agos, Cary's father.

When a sports legend is murdered, the investigation hits a snag when the lab loses the body.