Return to 1983 and be a detective

Introduction: Mystery otaku Xu Shan was reborn in 1983 and became a reform-through-labor prisoner.Faced with being framed and with both the enemy and ourselves in the dark, Xu Shan must find the real culprit if he wants to protect himself.At the same time, his status as a released prisoner made it difficult for him to move forward in that era, unless he could adapt to the changing situation and become the first to get rich.So he made money while solving cases, and step by step embarked on the path of becoming the richest detective...