Sherlock Holmes and the Secret Mission

It is the spring of 1912 and Dr. Watson has decided to retire from practice. In order to rekindle his old friendship with Sherlock Holmes, Watson travels to Sussex for a short holiday, but within hours of his arrival he finds himself drawn into a series of terrible events surrounding the apparent death of Holmes' brother, Mycroft, the mysterious kidnapping of a London safe-maker and a murderous attack upon a seaman.