Conan, Ran, and Kogoro arrive at the Kusano Chicken Egg Factory. Hitoshi Namba, the national champion of firstborn chick identifiers, a.k.a. chick appraisers, came to Kogoro for advice, saying, "Strange things have been happening for the past few weeks. The contents were all strange: a rubbery cannonball flying at him while he was walking, a magnifying glass scorching his hand from a distance while he was dozing off, a smartphone exploding, and so on. Kogoro had no idea who was being targeted, so he was assigned to investigate the cause and to act as Namba's bodyguard...