名探偵コナン 消えたダイヤを追え! コナン・平次vsキッド!

One day Mori Kogoro's private dective agency receives a blackmail call. It turns out that the caller has dialed the wrong number. Conan is able to identify the voice on the phone, it's similar to that of his old friend Heiji, who's also a high school detective but in Osaka. They join once again forc...