Sailing across the Indian Ocean, Holmes has uncovered a mystery onboard the ship. Taking on assumed identities, Holmes and Watson squeeze out the information they were looking for. Crewmen reveal the secret of the highly positioned passenger. Soon, Holmes and Watson are summoned to the presence of royalty.
With a cockney, former entertainer, and fortune teller in the company of the high nobleman, a matter of poison, and food tasters emerges. In the five years of her service, there haven’t been any instances of poisoning. Then why is Sherlock pondering the need for antidotes?
A cry of alarm goes out, but the dead man is the ships doctor. Sherlock is on the alert for suspicious attacks on the royal passenger. Subtle hints keep him clued in. Will he be able to avert further danger? Justice has its way of ensuring the evildoers get what’s coming to them.