Lin Tingxia grew up in a violent family, and the rainy nights after her mother ran away became a lingering nightmare. The newborn Ye Wanqiu appears like an angel, lighting up her gloomy childhood with lemon candies and fairy tale books.
During the ten years of companionship, the girl's love secretly developed in the piano room. When Ye Wanqiu's confession was broken by her mother, her pathological desire for control turned into a cage, and the sound of the piano began to be mixed with the buzzing of surveillance alarms. Two girls, saving each other.
