The Fourth Plague

When an Italian mob named The Red Hand extort the English nation, threatening to release a plague if their financial demands are not met, Professor Tillizini, a clever man, seeks to save his country by dismantling the secret society. After deciding the most efficient way to stop The Red Hand would be to reveal their secrets, particularly the identity of their leader, Tillizini begins his investigation with his friend, Antonio Festini. Though he is a talented investigator, Tillizini struggle...