Princess Jiang Yu barges into the grand hall to seek help from her tyrant father, the emperor, to save her beloved pet, Xiaobai. Little does she know that Emperor Jiang Zheng, who possesses the ability to read minds, can hear every single one of her thoughts. Her innocent and straightforward mind exposes the hypocritical masks worn by the court officials and gradually warms the tyrant's lonely heart. From then on, she becomes the apple of his eye. Her transmigrated mother secretly protects her, while her gentle elder brother stays by her side. With her clear-headed and genuine nature, Jiang Yu grows up surrounded by unconditional love and affection.