It is 1925. Merely a few months after the case of the Five Orange Pips, Sherlock Holmes craves a new case to distract him. However, with John Watson facing financial troubles, his wife steps in to help focus on what's more important. However, when a case finally presents itself, Watson is faced with having his wife on a case with him.
It is 1928. When Holmes and Watson are called upon by Helen Stoner to solve the circumstances of her sister's death, the crime-solving duo discover that there are greater forces at work. The details of the crime are incomplete, can Holmes and Watson discover the truth?
It is 1929. Watson calls on his oldest friend, Sherlock Holmes, to attend a family gathering with him. However, when one of the guests turns up dead, Holmes and Watson must work together to solve the mystery before more people start dying.