The Witness that Cannot be Seen Kogoro enters a barber shop and rests in a chair with a towel over his face. A few minutes later, a statue breaks and the owner, Ebihara, is found dead with a poisoned dart through his heart. Conan investigates and realizes who the murderer is. He tranquilizes Kogoro to reveal that Masao Noda, the man who selpt in the chair beside him before the murder. Conan reveals that Noda had murdered Ebihara beforehand and explains Ebihara was the man in the chair when Kogoro entered the shop. Noda, disguised as Ebihara, was the one who invited Kogoro to the barber shop and covered his face with a towel...