Sherlock and Joan question how well they know Shinwell when they investigate the possibility he may have gotten away with the unsolved murder of his friend, a fellow gang member. Also, Sherlock and Joan's latest case puts them on the hunt for a treasure map rumored to lead to a fortune in pirate's gold hidden around New York City.
Did You Know?
The source code shown when Mason identifies John Neligan is part of the source code of the programming language "Perl" See more
The coin Al-Asmari shows Joan was minted by Alexander the Great. It could not have come from the sunken Spanish galleon as claimed. See more