When Sherlock's brother Mycroft makes a surprise return to New York, his motivations cause discord between Sherlock and Joan. Meanwhile, a missing person case takes Sherlock and Joan inside the world of unmanned aeronautics.
Did You Know?
There is an identically-titled Sherlock Holmes short story written by Sir Arthur Conan Doyle in 1891. However, the short story plot elements are not being used. See more
Dr. Joan Watson
I think you might have been right.
On what topic?
Never Be That Tough
Performed by Simone White See more