Detective Conan aKa Case Closed. Kudo Shinichi is a 17 yr old high school detective. Shinichi witnessed an illegal trade, but was caught off guard and knocked unconscious. He was fed a drug that was supposed to kill him..but he woke up and found himself shrunken to a 7 yr old. In order to track down the men who did this to him, Shinichi hid his identity and lived with Ran, whose father happened to be a hopeless detective, and with that came a series of murders and mysteries that he must solve