Nanjing is a magical place. According to folklore, Nanjing is a place of great gloom. Countless dynasties that made Nanjing their capital were short-lived. Whether it was the massacre by the Qing army or the Nanjing Massacre, there are too many sad and gloomy stories circulating in Nanjing. The recent Nanda corpse case was also a headless murder. This has shrouded the city of Nanjing in a kind of gloom. But are there other secrets in Nanjing?