Robert achieved great military achievements. The Emperor granted him the title of Lord Guardian of the Empire. Robert returned to his hometown with honor, but knew his sister had been assaulted by the county magistrate's son and his mom had been severely injured. He angrily punished the villains in court, and also exposed the shocking scheme of collusion between local officials and the powerful in the capital, as well as the embezzlement of compensation for those injured soldiers. He investigated this case, faced with the ruthless counterattack of the Empress's brother. Ultimately, he executed corrupt officials and brought justice to the fallen soldiers and their families.