Count Garbiel challenges Lupin to steal his famous carbuncle "Dracula's Tear" on the Hendenburg 2. Garbiel invites 4 detectives to be on patrol on the airship. Sherlock Holmes the 3rd, Detective Archer, Kaneda Koojisuke, and Inspector Koichi Zenigata. The question is how will Lupin and his gang be able to sneak aboard the airship without be seen.