I like watching the japanese cartoon "Conan". It is about investigation. At the beginning, two teenagers go to a theme park. One is named Shinichi and the other is named Run. Shinichi found suspicious events. While he was watching some events, someone hit the back part of his skull with a piece of wood. Shinichi was drugged with APTX 4869. He was a detective before he became a child. Although in a child's body, he solved many murder cases. He became Conan, the famous detective boy.