Demons are in the demon world, gods are in heaven, and people are in the human world. Originally, gods and ghosts have different paths, but for that line of covetousness, the boundaries between the three realms are blurred, triggering a continuous fight. During the heyday of the Tang Dynasty, on July 15 of a certain year, it happened to be a rare day for ascension to the immortals. The western region’s important town of Hudu was full of ghosts and eerie. Zhong Kui (played by Chen Kun), a down-and-out scholar at the time, was rescued by Zhang Daoxian (played by Zhao Wenxuan) and became the guardian of Hudu. He slew demons and demons, went deep into the demon world to obtain the demon spirit, and thus started a great war with the demon world. In the process, Zhong Kui accidentally reunited with the girl who had once haunted him-Xue Yao (played by Li Bingbing). The two people with completely opposite identities could not stop the growth of love. The battle between gods and demons gradually heated up. Zhong Kui, who was caught in the center of the chaos and took it as his responsibility to defend the world, finally discovered a conspiracy that he couldn't believe...