In a psychology department dormitory, there are four girls with very different personalities.
A psychological experiment Grand Prix changed everyone's destiny. The shocking psychological experiments unfolded layer by layer. Former roommates were locked in cages. The fatal temptation made ordinary girls cruel. Finally, an originally happy girl was destroyed and a perfect relationship was ruined.
And the story has just begun here.
One after another events happened in dormitory 412, and everyone's fate became irreversible. Who is controlling all this?
In this story, there is no villain or protagonist. There are only fragile people and human fragility.