Sherlock Holmes is struggling with intense, disturbing dreams and boredom due to a lack of challenging cases. His friend Dr. Watson suggests he visit Sigmund Freud in Vienna to help him interpret his dreams. However, Holmes is soon approached by Lord Robert St. Simon, whose new bride Hettie has gone missing after a disturbed behavior on their wedding day. The case takes a darker turn as Holmes discovers Lord St. Simon's troubled past, including a history of mistreatment towards his wives and mistresses.

The Case-Book of Sherlock Holmes
A detective's search for a missing woman becomes increasingly entangled with his own dark subconscious, as his unsettling dreams both complicate and drive his investigation.