Judge Lee Han Yeong, who believed justice could be achieved in the courtroom, defied his superiors' orders and sentenced a conglomerate chairman to life in prison, only to be killed for it. But was it because of the secrets he overheard as a child? Retaining all his memories, he is given a second chance at life. The world needs him, Lee Han Yeong, the heretic of the judiciary who knows only justice. Kim Jin A is a prosecutor determined to take down the corporate chairman responsible for her father’s death.