In the eternal night of Jingyuan City, the language of flowers is the key to solving the case. The girl Shiying, as the "Flower Whisperer", holds the "Book of Destiny" to interpret the joys and sorrows behind the crime. In order to maintain the balance of the world, she must continue to burn books and forget. When the mysterious organization "Wu Xiangsi" tries to tamper with destiny, Shiying pursues the truth in the rainy night, looking for the miracle flower among the scattered petals that can resist forgetfulness, and complete her self-salvation.
