"Palace Shadow", protagonist: Yu Chigong. Yuchi Gong was a general and discovered that there were treacherous ministers in the palace who were colluding with foreign enemies. On the surface, he was addicted to wine and sex, but secretly sent his confidants to collect evidence. The princess noticed his intentions and took the initiative to provide letters from traitorous officials and collaborators. He presented evidence to the court to assist the emperor in purging the traitors. Afterwards, he refused the reward and only wanted to continue guarding the country.
