Synopsis

Following an illness, Holmes accepts a holiday in Cornwall, accompanied by Watson. The tranquility is shattered when, after a peaceful evening spent playing cards at home, he learns of a dreadful occurrence. Three locals have been discovered in the morning, their deaths marked by inexplicable circumstances: the two brothers afflicted by a sudden, debilitating madness, uttering nonsensical phrases, and their sister found lifeless, her face frozen in an expression of sheer terror. Holmes, eager to