Under the watchful eyes of Sherlock Holmes, Dr. Watson, and Mrs. Hudson, Thomas Clipton is about to open the will of his late uncle Cornelius: Within just six weeks, he must travel back to England from Ceylon to claim his inheritance! Unfortunately, the group has no idea that Professor Moriarty has allied himself with the old Teawings and his Chinese gang to prevent this from happening. However, thanks to Holmes' brilliant ideas and Mrs. Hudson's proactive support, they are gradually getting closer to their goal...