The Halloween celebrations descend into a chaotic night party! The organization that kidnapped Detective Chiba reveal their true intentions and their ties to the late Detective Matsuda, bringing Conan one step closer to unmasking the identity of the mysterious terrorist, Plamya! But will he and Amuro be in time to stop Plamya from executing their ultimate plan? The case reaches its frantic climax for the pint-sized detective in this two-volume series!