In late Qing Dynasty, the high officials died one by one and there was rumor that the dynasty would end. To stop the rumor, the Emperor went to worship Heaven and secretly asked Fuca Yuheng to investigate. Fuca Yuheng knew how serious it was and could only ask his good friend Su Can, former martial champion and the current leader of the Beggar Gang for help. But then, accidents kept happening. First there were assassination attempts of Su Can and Fuca Yuheng, then quite a few high officials died suddenly with their bodies rotten. Su Can realizes that this is difficult to deal with and there must be a big secret behind……...

During the Yonghui period of the Tang Dynasty, the celestial phenomena are abnormal and the people are struggling to make ends meet. Sitian Jian is ordered to pray for rain, but unexpectedly, chaos is rampant. His actions attract a thousand demons to descend into the world, and in an instant, a sea of blood flows across the Dao Tai. Under the heavy pressure of the court, the Heavenly Supervisor Gao Shengyao is forced to use the mysterious death row prisoner Dugu (played by Simon Yam) to investigate the case. At this time, rumors envelope Chang'an and demons rise and the ghost night market hidden underground emerges. The demons and water ghosts who were hidden for many years reappear and cause chaos and stir trouble, making the case even more complicated and confusing. It seems that the omniscient Snake Scorpion Beauty has become Du Gu's target, but the outwardly righteous Du Gu seems to have an unknown dark past…...

The monster hunter Song Dingbo was hired to subdue the donkey demon Ma Lu in a rice shop. He did a good job and made the demon work for himself, which gained him considerate fame. Unexpectedly, Ma Lu ran away. While chasing after him, Song Dingbo found villagers tied up the young girl Xiaoxiao and planned to send her to the statue of a deity. Owing to a strange combination of circumstances, Song Dingbo saved Xiaoxiao and defeated the snake demon who was disguised as a deity. Xiaoxiao was very grateful to Song Dingbo and invited him to catch monsters in the capital. Then, the three of them set out for the capital together and wiped out all demons sent here by the State Preceptor. ...