Ballet girl Gu Qianyang has been bound by her mother's dream since she was a child. It was not until she ended her ballet career that she seemed to be reborn. She met her first love Fang Can, and she thought it was enough for her to love this person in this life. However, as Fang Can, a talented student from the Department of Architecture, went to study abroad, Gu Qianyang faced family changes alone, and her beloved lover disappeared for no reason. She was helpless and confused until she met him, a man who could give her a sense of security, but it was also this man who lured Gu Qianyang into the infinite abyss.