Morgan Weed

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.

Sherlock resumes his hunt for Moriarty when Sebastian Moran reveals that a man who was thought to be dead from a heart attack was actually on the list of intended victims from Moriarty. Vinnie Jones returns as the sinister "M." F. Murray Abraham guest stars as "The Actuary," a devious hitman.

Dr. Choi (Brian Tee) struggles to help a woman cope with anorexia. After a two-week suspension, Dr. Reese (Rachel DiPillo) is immediately put to the test upon her return by Dr. Charles (Oliver Pratt). Dr. Rhodes (Colin Donnell) takes a stand when one of his patients is forcibly transferred. Meanwhile, Dr. Halstead (Nick Gehlfuss) is on a mission to get Dr. Manning's (Torrey DeVitto) son to like him.