Serious version
When spring first appeared, Chunxi was sixteen years old. For the first time, she left the "cage" where she had lived for many years and went to a prosperous place alone. She met three close friends and fell in love with the person in her dreams.
No one knows where the soul of a cold-hearted person will end up, despite the beauty of the moon and the beauty of youth.
Brief version
It mainly tells the story of the struggle of a 16-year-old unpopular concubine who took the place of her elder sister in the draft and then entered the palace to become a concubine.