Phantom Lady and the Ryoma Treasure

Kid's first order of business is saving himself and an unconscious, handcuffed Aoko as they plummet from the top of Toto Tower in an antique car. Assuming he succeeds, the next challenge is finishing his mother's last job, bringing a crooked antiques dealer to justice. But his mother never had to deal with the brilliant diminutive detective, Edogawa Conan!