Nagai's ecchi parody of Sherlock Holmes and detective fiction. Inept detective Sheryakko Holmes and his female assistant Watson create a unique commotion while tackling difficult cases in this mystery gag comedy by Nagai Go. In London, the City of Flowers, also known as the City of Fog, there is no end to the number of people who commit crimes using the fog as a cover. Then, Sheryakko Holmes, not the famous detective Sherlock Holmes, appears on Baker Street. One day, mistaking him for Sherlock, Count Brocken comes to visit Sheryakko's office... Today and tomorrow, Sheryakko's inept detective skills will continue to shine through, and the cases will be solved without a hitch!?