Nine to five, weekends and holidays, full holidays, a job with a salary of 20,000 plus, not limited to education? Can you believe it? Liu Hou believed it. He was lured by the high salary and worked as a part-time laboratory animal breeder in Wanjiang Biological Company. But he was on night shift That night, strange things happened again and again. The supervisor gave him a piece of paper full of bizarre rules. The experimental mice could talk, the dogs turned into zombie dogs, and even the docile little rabbits were bloodthirsty and terrifying. Fortunately, Liu Hou obtained an all-knowing incomplete book, from which he got a glimpse of the truth of the world, and embarked on a road of killing demons and eliminating filth...