In the estate of Earl Brasher during the Christmas party the organizer of the holiday is killed. Holmes, along with Dr. Watson on call of the graph immediately arrive at the crime scene. Watson is extremely surprised that Holmes is juggling evidence and putting Inspector Lestred on the wrong track. The fact is that on the evening with the verses performed one very pretty singer. She left a message to Sherlock in the form of a conventional sign. Sherlock is sure that it is a desperate plea for help. Irene Adler, the woman who broke his heart, turned to Holmes. To Watson's even greater surprise, Sherlock Holmes intends to find and save Irene. Even at the cost of his own life.