Jimmy Kudo, the son of a world-renowned mystery writer, is a high school detective who has cracked the most baffling of cases. One day while on a date with his childhood friend Rachel Moore, Jimmy observes a pair of men in black involved in some shady business. The men capture Jimmy and give him a poisonous substance to rub out their witness. When a little boy is caught in a devastating fire, the Junior Detective League is on the case! Conan suspects arson, but to decipher the clues his pint-size client left behind he'll have to think like a real first-grader! Then Conan tracks the Hammer Man, an urban legend who leaves all-too-real victims. And Richard Moore is prepping for his latest TV appearance when he stumbles upon a death by poisoned coffee. Can Conan brew up a solution to the caffeinated crime?