"Dafeng Night Watchman" is a tale of modern policeman Xu Qian'an who finds himself transported to the Dafeng Dynasty. Upon arrival, he becomes embroiled in a case involving the disappearance of his uncle's tax silver, leading to his arrest and potential exile. Utilizing his prior life experiences and wisdom, Xu unravels the mystery, rescues his uncle's family, and joins the night watchman force.
Throughout his journey, he encounters numerous challenges, including murder investigations, political intrigue, and confrontations with enigmatic forces. Fueled by anger, he takes drastic measures to defend the women of prisoners, gets involved in the Sangpo affair, and navigates the conflict between Buddhism and the Realm of Ten Thousand Monsters, attracting the attention of powerful factions.
Ultimately, Xu realizes his true purpose is to advocate for the people and protect the vulnerable. He champions unity, forging alliances between Dafeng, the Southern Xinjiang Gu Clan, and the Monster Kingdom, and collaborates with Princess Huaiqing in a coup to bring about positive change for the greater good. The novel weaves together diverse cultural elements like Confucianism, Taoism, Buddhism, demon lore, and magic, showcasing Xu's intellect and detective prowess.
