While on a well-deserved holiday in the Lake District to get away from the toils and troubles of London, Holmes and Watson find no respite. As soon as they exit the train they hear news of a grisly murder making its way around the murmuring commuters. A local aristocrat, Mr. Darcy, has been found missing his head! And that very night, the wealthy widow finds a stranger in her home who, upon seeing her, abandons his plans and quickly leaves. She believes the intruder to be the murderer of her husband who is now after a large sum of cash she keeps in the house safe. Unsure if the would-be thief is the murderer or an opportunistic burglar, Holmes devises a plan to catch the burglar, all the while investigating the murder of Mr. Darcy. Follow Holmes, Watson, and the local constable, Mr. Wickham, as they untangle the mystery surrounding a Murder in Keswick.