After getting ahold of Mitsuhiko's vast manga assortment, Conan stumbles upon an unusual chain of occurrences happening in Beika City. But things aren't as simple as they seem. At the same time, a family appeals to Kogoro for safeguarding a treasured sword locked up in their dojo, which Kaitou KID has set his sights on pilfering. With both Conan and Yaiba hot on his trail, Kaitou KID is facing a formidable task in obtaining the sword.