The waters surrounding an island become contaminated by chemical dumping, and people who eat fish caught in those waters become deformed and violent.
This nightmare has already killed five people - now it's yours to live!
Sir James Damery, acting for a very illustrious client, consults Holmes. Violet Merville is engaged to marry the Austrian Baron Gruner, who has murdered at least one wife and yet the foolish, headstrong Violet will not hear a word against him. The client is fearful for Violet's safety should the marriage go ahead. Holmes enlists the assistance of Kitty Winter, a woman whom the ...