Meitantei Conan: Kieta Daiya wo Oe! Conan & Heiji vs Kid!

A blackmail call mistakenly reaches Kogoro Mouri's detective agency, and Conan recognizes the caller's voice as similar to his friend Heiji Hattori. The two detectives join forces over a stolen jewel, only to discover that master thief Kaitou Kid is pursuing the same prize.