Rosie Benton

Joan thinks Sherlock's sobriety is at risk when she discovers that he hasn't been attending recovery meetings; a man dies after eating poisoned sausage connected to a lab that is developing artificial meat.

Reese's cover job as an NYPD detective becomes complicated when the young brother and sister he's protecting become targets of a gang investigation.

A girl's rapidly changing symptoms have everyone perplexed; a 19-year-old tough guy is in severe distress; Dr. Halstead deals with a difficult case, and Dr. Stohl is followed by a camera crew that is shooting a promotional video.

Florrick/Agos and Lockhart/Gardner fight to keep Lemond Bishop as a client when he is arrested on a drug-related charge, which possibly resulted from a leak inside Alicia's firm. Meanwhile, the investigation into voter fraud in the gubernatorial election continues to move forward when Marilyn is approached by an agent in the Office of Public Integrity. Jack Davenport and Eric Bogosian guest star.