Mo Mo, an ordinary girl, suffered repeated blows when she was 12 years old, and finally chose to commit suicide. After failing to commit suicide, he met the "human beings at the bottom of the valley" who have lived here since ancient times, and fell in love with the best girl at the bottom of the valley - Ai Mo. A love affair goes smoothly.
Finally, Mo Mo turned 18 and wanted to return to the ground, but Ai Mo was only 16 at this time and could not follow Mo Mo. Two years later, Ai Mo came...