The prosperous city is full of secrets, evil spirits, monsters, and ghosts are lurking in the darkness, causing trouble in the world. A supernatural action team dedicated to killing evil is quietly assembled.
The cold Xuanmen master Bo Si is the leader of the team, and he is the soul of the team with his secret skills. Zhu Siyuan, the successor of Nuo opera, holds the Nuo mask to calm evil spirits, and hides the secrets of his life with his righteousness; Jiuyu, a thousand-year-old fox demon, has tenderness and magical power in his charming bones. The unparalleled but guarding the fireworks of the world; Su Hongjin, a fierce ghost in red, harbors grievances but insists on justice and does not harm innocent people; rookie police officer Xu Yan is full of passion to destroy falsehoods; wise consultant Gu Chengke knows the truth and plans the overall situation.
The six people transcended the barriers between humans, monsters, and ghosts. From their first encounter with suspicion and alienation, they traveled side by side through the dark corners of the city, solving mysterious cases such as campus ghosts, ghosts in old houses, and monsters eating people. They used metaphysics to quell chaos, used scientific methods to cover up the truth, and silently guarded the stability of the world. Together day and night, they have become a family of life and death, healing each other and overcoming adversities together.
However, the ancient demon that has been dormant for thousands of years breaks its seal and wants to overthrow the people, and finally the desperate situation comes. In order to protect Bosi and the world, Zhu Siyuan, Jiuyu, Su Hongjin, Xu Yan, and Gu Chengke all died tragically and paved the way to victory with their lives.
Bo Si, who was seriously injured and on the verge of death, gathered the remaining strength of his companions and used all his strength to kill the big demon. When the catastrophe was over, the action team dispersed, leaving him alone. He refused to be persuaded to stay, and took the legacy of the five people away from his homeland, traveling alone in the world to slay demons. From then on, the world was peaceful every year, and no one else walked with him. For eternity, he carried the sorrow of his family who died, walked alone on the endless sacrificial journey, and guarded the world they protected with their lives.
Intention: The unknown martyrs, silent gratitude in the prosperous times, the stability of the world has always been the eternal tragedy that a few people have paid for with their bones and blood and buried with the rest of their lives.