Part 5/10:
Sherlock’s investigation leads him and John to dive into the heart of Baskerville—a research center affiliated with the Ministry of Defence—believing it to be the source of the beast. With the help of Sherlock’s brother Mycroft, they gain access to the highly secured facility. Accompanied by Dr. Bob Frankland, a scientist who seems to have known Henry’s father, they search for answers, only to be swiftly alerted of their breach into the secure environment.
A Deepening Mystery