How Can Jiaojiao Be a Thing in the Pond?

The headless corpse in the wilderness is the son of whose family, the official who died on his bed was poisoned by someone, the princess who died tragically on the street, the human meat stuffed in the steamed bun shop... Is all this a loss of morality or a distortion of human nature? Su Jiao said that she has special skills in solving crimes and has everything under control!