Ten Miles Long Song is about the lasting love between Liu Yunyan, the eldest princess of Yan Kingdom, and Tuoba Jun, the ninth prince of Xiliang.
On the day when the Yan Kingdom was destroyed, Liu Yunyan jumped off the Jueqing Cliff. When she woke up, she lost her memory and became Ouyang Wanyue, the three thousand gold prime minister of the Western Liang Dynasty. She met and fell in love with the ninth prince Tuoba Jun. Just when she was about to commit herself to marrying Tuoba Jun, her true identity and the pain of her country's subjugation made her retreat step by step, and she also struggled step by step.
Ten Miles Long Song, she was entangled in the love and hatred between Tuoba Jun and Tuoba Xuan. The country was suddenly at war, with heroes vying for hegemony. Can she break the love between him and her... And regain the song of ten miles?