The Metropolitan Police force is in an uproar over the big news: at long last, star-crossed police detectives Sato and Takagi are going on a date. But their romantic afternoon at an amusement park turns into a roller coaster ride when they find a backpack full of smuggled heroin. Can Conan catch the drug runners and save the detectives' date?

Original Japanese edition 'Meitantei Conan' published by Shogakukan Inc. Book reads from right to left in the traditional Japanese format.