The Crown of Mazalin Episode 2

The anatagonist of the series, Professor Moriarty begins this episode by coming up with a devious thievery plot. Watson has to come to share living quarters with Holmes and meets Holmes' lovely landlady, Mrs. Marie Hudson. However, before Watson can really get settled in, Holmes is called out on a case. Inspector Lestrade thinks the answer's obvious, but Holmes is more than happy to find the real culprit behind the stealing of the Mazalin Crown.