All aboard! The Junior Detective League is invited to join a murder mystery game on a luxury train, only to find a lot of familiar faces among the passengers. When a man is killed and a train car vanishes, Conan suspects the crime is real, but will anyone believe him? And not only is the identity of the scientist who invented the serum that transformed Conan revealed, so is the identity of Bourbon, ruthless intel agent for the Men in Black! For older teen audiences.