After the founding of the People's Republic of China, the snake demon Lin also reported to the Demon Management Bureau. The surprising truth alarmed the director Liu Ruyan. The other party recognized him as a little snake that he had met during the Millennium Future Emperor's period, and mistakenly thought that he had defrauded him of the demon pearl. Although Liu Ruyan seemed to be holding people accountable, he was actually caring secretly. As they got along, the misunderstanding over the millennium was gradually resolved, and the deep feelings hidden under the old grudges slowly emerged, and the two finally joined hands.