Time travels back to Chenghe Liansheng Hongguan, the boss Tongshu is about to retire, Dazuiying has been with him for more than ten years and is a direct descendant, and he, a newcomer, cannot touch the core interests at all. The superintendent's uncle forced him to be an informant, so he simply took the money and took it easy. The undercurrent of the society is surging, and he is not in a hurry to take sides - he will be the final winner when the snipe and the clam compete.
Most likely it was for cleaning.