Song Ci and Ye Bai came to Fengxian to investigate the culprits of corruption in order to overturn the case for their master Zhen Dexiu. With the assistance of Sheriff Shen Gujun, suspicious individuals were identified. Unexpectedly, every time the key is found, the clue person will be killed. throughAfter inspecting the body and conducting detailed investigations, as well as the secret assistance of the mysterious man Yue Chong, Song Ci finally found the culprit and uncovered an old corruption case from forty years ago. Unexpectedly, behind this truth lies a hidden truthA bigger secret.