Xu Qi An dreams of becoming a Night Guardian. But after solving the case, he is forced to go through report after report every day at the yamen. It's torturing.

While Xu Qi An is being escorted, Xu Ping Zhi attempts a rescue but is outnumbered. He ends up being imprisoned in the Ministry of Justice’s dungeon together with Xu Qi An.

Xu Qi An uses 20 Exhortation to Learning poems to convince Scholar Zhang Shen and Li Mu Bai to let his female family members stay in the academy. When Huai Qing sees his "Exhortation of Learning" poem collection, he is secretly impressed.

Xu Qi An and the Night Guardians investigate Sangbo Lake. They find a formation underwater...

Wei Yuan takes Xu Qi An to the palace. He wants him to find Princess Royal to proceed with the investigation. Huai Qing's personal eunuch comes to lead the way. He asks him about his relationship with Princess Lin An...