Sherlock Holmes and the Queen of Diamonds

When Thomas Howard arrives in England to find his missing brother, he unexpectedly saves Countess Elaina Montague from a violent assault. Grateful for his bravery, the countess enlists the renowned detective Sherlock Holmes to assist in the search. As they delve into a web of jewel thefts and a dangerous blood feud, Holmes and Watson are drawn into a thrilling adventure that culminates in a dramatic showdown beneath the River Thames.