Lord James Evendell turns to Sherlock Holmes and reports that during the restoration of the Colchern family castle, strange events occur - at night someone destroys the restored structures. Ghost rumours are circulating in the area. Holmes and Watson travel to Scotland, where they meet with Sergeant MacDonald from the local police. It turns out that a few years ago, James Evendell, along with some Thomas Ferguson and Angus Macklin, travelled to Africa, and their journey was fraught with many dangers, and Macklin did die in African wilds Secrets of the old castle, the story of the disappeared groom, the riddles of an abandoned estate and other fascinating stories - in your supportive trial, dear reader!