Mary Morstan has received a pearl in the post every year since her father's disappearance. This leads Holmes and Watson to the truth about a secret pact between four convicts during the Indian Rebellion of 1857.
A young knight sets out to join King Richards crusaders. Along the way, he encounters The Black Prince who captures children and sells them as slaves to the Muslims. It is Robert Narra's sworn duty to protect the children and lead them to safety.
Sherlock Holmes uses his abilities to take on cases by private clients and those that the Scotland Yard are unable to solve, along with his friend Dr. Watson.
