In the late spring of 1926, Beiping (Beijing) was a city where prosperity and vicissitudes intertwined. Cheng Nianchu, a talented young woman from a declining scholarly family, became a musician in a theater; Fu Yunshen, a warlord's son who had returned from studying abroad. A single piece of music sparked their connection, leading from initial attraction to a secret vow of love. They strolled through the alleyways, held hands in Beihai Park, and dreamed of their future. In the late spring of 1926, Beiping resembled a long, ancient scroll slowly unfolding amidst the dust of history. In the streets and alleys, one could see elderly people in traditional robes and mandarin jackets, carrying birdcages, strolling leisurely and reminiscing about past glories; and others dressed in modern Western-style clothing…