Sherlock Holmes - Cry of the Innocents

It is 1891, and a catholic priest arrives at 221b baker street, only to utter the words “il corpe” before suddenly dropping dead.
Though the man’s death is attributed to cholera, when news of another dead priest reaches Holmes, he becomes convinced that the men have been poisoned. He and Watson learn that the victims were on a mission from the Vatican to investigate a miracle; it is said that the body of eight