In 2257, a taxi driver is unintentionally given the task of saving a young girl who is part of the key that will ensure the survival of humanity.
On a visit to Wisteria Lodge, Scott Eccles gets a strange reception. A mysterious note arrives for his host, Garcia, and the next morning Garcia and his servants have vanished without trace. Eccles consults Holmes, who decides to treat the case as a murder investigation, but it appears that Holmes and Watson are on a wild goose chase.