After his resurrection, Klein, now known as Sherlock, becomes a private detective. While taking on cases, he inadvertently provokes a spy organization. With the help of his bodyguard Sharron, as well as the assistance of Audrey and others, he faces many enemies, including the powerful Ambassador of Intis. In a later case, Klein unexpectedly discovers ruins from the Tudor dynasty. While continuing his detective work, Klein searches for clues to his advancement while also pursuing his enemies, Lanevus and Intis… (Source: Tencent, translated & edited)