Lin Xiao, a modern white-collar worker, accidentally traveled to the Republic of China. In this turbulent and charming era, he met Shen Yichen, the eldest son of the Shen family who had returned from studying abroad. They broke through family barriers, experienced wars, and faced national disasters together, and moved forward side by side in business and love. However, the turbulence of the times, family disputes, the covetousness of foreign enemies, and various unexpected hardships followed one after another. Their love has been tested in the wind and rain, but it has become more and more steadfast. Can Lin Xiao and Shen Yichen cross the gap of time and space and write an eternal love legend?