The story begins with a series of intricate emotional entanglements between three women with different identities, unfolding their respective cruel lives.
A female college student came to Shanghai to meet her boyfriend but was accidentally raped. She later discovered that her best sister's boyfriend was the mysterious man who had attacked her. How will their relationship change?
The female college student later met a Shanghai woman known as the "problem girl" here. She was indeed the mysterious man's ex-girlfriend. It was a series of cruel youth stories about three women who were connected by a mysterious man.
Our lives may seem wonderful, but they are filled with cavities and we are in constant pain. We are called children with a problem called cavities.
We have all experienced the cruelty of youth and continue to experience it.