I don't know which year, the underworld was in chaos. The new demon king killed the forces of the previous generation and even vowed to kill all the children in the former demon's belly. The demon queen and her party evaded the pursuit and came to Yongning village, which is located deep in the mountains. It happened that they met Huo Xiaolan (played by Bai Baihe) and Luo Gang (played by Wujiang), masters of catching demons. After some chaos, the queen demon knows that her luck will run out, so she puts the demon eggs into the belly of Tianyin Song (Jing Boran), the village head of Yongning, for preservation.