The story follows Song Yunmei's personal growth, weaving together the changes of China's early reform and opening-up period and the diverse landscape of American society. It portrays her transformation from a country girl on the banks of the Huai River into an accomplished woman overseas, while also depicting the warmth of an ordinary Chinese family whose members follow different paths through the tides of the times yet remain closely connected. It further explores how love, family, and personal ideals intertwine and endure across cultures, adding a vibrant, cross-border dimension to the era-spanning narrative of Like a Flowing River.