Hera has been abused by her step father for a long time, until she enters the art department of Ston College and meets her classmates Brad and Yoanna. The three of them become good friends by chance. Brad and Yoanna's care for Hera makes her gradually feel the beauty of freedom and gives her the idea to rebel against David and break through the ball cage. But freedom is not easy to come by, and Hera pays a painful price for this new life...