In the Northern Song Dynasty, Qin Mucheng, a young lady from a common official family, and Gao Wenxun, a young master from a legitimate official family, were two childhood sweethearts. Their love encountered violence and robbery. Leaving the Northern Song Dynasty and coming to the Kingdom of Daeqiu, Qin Mucheng met the person who loved her most in the world, and she could not fall in love with him after all. Only after she missed him did she see her own heart clearly. And if time could be turned back, would the ending be different? It's a pity that there is no if in the world.