Lu Wuyi, the youngest nine-tailed fox of the mysterious Formless Moon Sect, sets out on a mission with her friend Wu Wangyan to track down a fox demon on the run, Xiaowei. She infiltrates the Wei Mansion in Luo'an City, where she later crosses paths with Wu Shiguang, who holds a deep grudge, as well as Ji Ling and Li Jie, demon hunters from the Shilin Sect. In the process of uncovering the truth, they navigate between suspicion and cooperation, each driven by their own agendas. In their repeated struggles over the Dragon Deity's Power, their fates are changed time and again. To preserve peace in the world, they make painful sacrifices and ultimately subdue Jiu Ying, the lord of all demons, thus fulfilling an enduring quest of love and redemption.

Upright and incorruptible Judge Chun Yue is forced to cover up the truth after his son causes a hit-and-run that injures the son of a notorious gang leader. Seeking vengeance for his son's injuries, the ruthless crime boss unleashes a wave of bloodshed across the city. Meanwhile, determined police officer Tong Huen remains resolute in her pursuit of justice, relentlessly chasing the truth behind the web of corruption and revenge.