Sherlock Holmes and the Case of the Christmas Angels" brings an exciting new case to the world's greatest detective, told with faint echoes of classic holiday tales you already know and love. Holmes is in the worst slump of his career, having not only given up his consulting detective business, but even questioning the purpose for his own existence − made all the more painful at Christmas time. Not even his longtime friend and partner, Dr. Watson, seems to be able to shake him out of his funk. A dark, life-or-death enigma soon unfolds perpetrated by none other than Holmes' age-old nemesis, Professor James Moriarty himself, and leading Holmes to embark on one of the most perplexing adventures of his career.