Synopsis：The story begins with a chance encounter by the Bazi Bridge in 1983, following architect Wu Manman and her husband Xu Dingwei as they spend forty years witnessing Yuezhou’s transformative journey from ancient building preservation to organic urban renewal. The narrative highlights the city’s commitment to the philosophy of "restoring old structures to their original state." Veteran actor Xu Huanshan portrays a masterful architect who embodies countless guardians of Yuecheng’s cultural heritage. These four decades serve not only as a testament to the couple’s enduring love but also as a chronicle of Yuezhou’s metamorphosis amid the balance between preserving its historic core and developing new urban areas.