The Forgotten Children (The Adventures of the Elderly Sherlock Holmes, Episode 3)

When newspaper boy Billy tells Sherlock Holmes one day about his missing friend Jake and Jake's missing sister Lilly, Holmes doesn't need much convincing to help. Together they visit Miss Walsh's orphanage. However, the inconsistencies that arise during this visit lead Holmes to suspect something sinister. Together with Eddy and Alice, he follows the only lead they have. What the three ultimately discover makes one's blood run cold...