![It! The Terror from Beyond Space](https://image.tmdb.org/t/p/w185/scPw7bBH3PDAHHT48W0fevQeMO8.jpg)
After the King of Ruthenia has been assassinated, Holmes and Watson are engaged to escort his son to Europe via Algiers, aboard a transatlantic ocean liner which also carries a number of suspicious persons, any of whom may be involved in a plot to also assassinate him.