Shen Zhiwei is a daughter of a scholarly family in the south of the Yangtze River. She has an indifferent temperament and likes to study ancient books and is especially good at solving puzzles. However, an unnamed suicide note plunged him into a mysterious and bizarre murder case. The clues in the case are hidden among the poems, paintings and inscriptions, and the truth is difficult to find out due to the many clouds of doubt. Shen Zhiwei originally wanted to escape from the world, but because of an old incident and his involvement with the deceased, he was forced to embark on a journey of exploration for the sake of his family's reputation and self-salvation. With her talent and insight, she shuttled through the dark mansions and misty ancient alleys, taking care of herself step by step, but what she saw and heard overturned past perceptions. This case is not only a matter of life and death, but also affects the rise and fall of the country and the fate of the people. Shen Zhiwei walks hard between the truth and faith, and will eventually glimpse the glimmer of humanity and history in the depths of the fog. This book uses poetic writing to outline a journey full of ancient charm, wisdom and emotion.