He is Yin Tieli, a wanderer whose parents died when he was young, and his reputation for righteousness and bravery spread throughout the Yanzhao Plain; she is Zhao Ruyi, an orphan girl from Pingxi King Zhao Chengyun who lives in the Fireworks Alley in the south of the Yangtze River. In May in Jiangcheng, her song "Falling Plum Blossoms" was defeated by his "Yan Ge Xing", and she had to return to Zuiyun Tower to continue her singing career.
He was very upset when he learned the truth, but because of the contract, he could not use force to rescue her, nor could he redeem her life. After that, he opened a "Yijian Hall" in Zuiyun Tower, specializing in teaching swordsmanship to children, and devoted himself to saving the ransom for her.
The border was uneasy and the imperial court was recruiting soldiers. She couldn't bear him wasting his youth, so she secretly signed up for him, asking him to make great achievements and come back to redeem himself. But he lived up to her expectations. Three years later, when he arrived at Zuiyun Tower, the building was already empty. He returned to Chang'an. Three years later, he found her in an embroidery shop in an alley. However, by this time, he was already the king of Zhennan, but she was found out by the emperor. The emperor admired her talent and beauty and forced her into marriage. The emperor of King Zhennan, because the forced marriage failed, became angry and married her to Lu Zhaolin, a famous scholar from Jiangnan, and promised his uncle Wang's sister to Yin Tieliang... From then on, there was a pair of bitter mandarin ducks in the world...