"岁月沉淀，鳄鱼皮箱的奢华与经典"庆余年第二季全集

　　Jack Lyons is interrogated by the police. He accidentally reveals himself as a murderer when he identifies a crocodile dressing case and the initials engraved on it. Since the initials were engraved on it shortly before the murder and fell off during the murder, only the killer and victim could have known about them. Jack is promptly arrested.