Can Detective Conan crack the case...while trapped in a kid's body? When ace high school detective Jimmy Kudo is fed a mysterious substance by a pair of nefarious men in black--poof! He is physically transformed into a first grader. Until Jimmy can find a cure for his miniature malady, he takes on the pseudonym Conan Edogawa and continues to solve all the cases that come his way.
While playing hide and seek, the Junior Detective League finds someone they weren't looking for! Conan is sure the kids have stumbled on a kidnapping, but how can he prove it? Then a pretend house of horrors becomes the site of a real death. And while Conan is out sick, the Junior Detective League has to stop a crime with nothing more than a deck of cards!