In the late spring of 1925, the city of Beiping (Beijing) was a tapestry of prosperity and vicissitudes. Gu Qingwan, the gentle and intelligent second daughter of the Gu family; Fu Yunshen, a passionate young man devoted to the revolution. A single melody sparked their connection, leading from initial attraction to a secret vow of love. They strolled through the alleyways, held hands at Beihai Park, and dreamed of their future… In 1925, late spring in Beiping resembled a light ink wash painting of mountains and rivers. A misty rain, fine threads like cow's hair or needles, drifted gently, draping the ancient city in a veil. Black tiles and white walls appeared and disappeared in the rain and mist, glistening with dew…