Case Closed: Episode 13 English Dubbed Episode Description: While playing hide-and-seek in the park with the other Detective Boys, Ayumi (Amy) hides herself in the trunk of a car and falls asleep. When she wakes, the car has left the park. Ayumi finds the head of a girl wrapped in newspaper in the trunk with her. Conan uses a new radio transmitter, the Detective Boys Badge, created by Professor Agasa, to gather clues as to where the car is heading. Riding Conan's new turbo engine skateboard, they are able to catch up with Ayumi. They confront the men and Conan kicks a bicycle helmet, knocking out one of the men. The Detective Boys realize that the men are actors and the decapitated girl was a prop. Since the actor was knocked out and the prop damaged the Detective Boys were forced to participate in the play.