After receiving information from Sebastian Moran (Vinnie Jones), Sherlock resumes his search for Moriarty.
Kevin tries to find out who is responsible for a holiday display; Tom and Christine run into trouble at a hospital; Kevin gets unexpected visitors at home.
Detective Carter faces fallout from her encounter with Reese and Finch; the machine comes up with not one, but four Social Security numbers.
Logan and Falacci investigate the shooting of the wife of a corrupt judge.
Detectives suspect the drug-addicted son of a murdered suburban couple, but when another suspect emerges, Deakins urges Logan and Barek to drop the case.