Moriarty the Patriot

A Study in "S", Act 2 (1x9)

Air date: Dec 06, 2020

Searching for the true killer of Count Drebber, Sherlock and John set a trap for the culprit using a wedding ring found at the murder scene as bait. After a struggle in which the ring is lost, Sherlock is able to deduce who the real killer is.