When 996, the top programmer in the cyber world, died suddenly, he woke up to find that the underworld had been fully digitized. Instead of drinking Meng Po Soup, he relied on his coding skills in the human world to become a "underworld programmer" in the underworld's HR system, specializing in "recruiting" the souls of technology giants in the underworld and providing them with "re-employment after death" opportunities, thereby stirring up trouble in the three realms.