In order to restore a century-old opera house, top architect Gu Huaijin reunited with Lin Wanxing, a cultural relic restorer who was once a theater wizard but is now alienated and quiet. We left without saying goodbye seven years ago, leaving love and regret buried deep in my heart. Among the ancient bricks and melodious melodies, can they repair the broken past and let the echo of love ripple under the stars again?