It follows a group of vibrant teenagers in the early 1990s in Fucheng, a small coastal town in Southeast China. They passionately chase after their youth on the era's train, experiencing uninhibited growth and seeking an extraordinary transformation. In this radiant period of youth, they strive towards a brilliant era of personal growth and love.
Lin Huanhuan and Lin Shangshang are twin sisters. The younger one, Huanhuan was sent to the mountains to study Traditional Chinese Medicine when she was small. Years later, her elder sister, Shangshang, fell in love with the crowned prince. Unexpectedly, the queen deliberately married Shangshang to another prince, Shangguan Li. Lin Shangshang hanged herself and died for love. Lin Huanhuan was forced to marry off as her sister’s substitution, who begins her married life full of quarrels and sweet times.
Princess Sheng Taotao is banished to Qingcheng, a region struggling with the decline of its garment-making industry. Inspired by the craftsmanship of elderly artisans, she works to promote their skills and create opportunities for them. Her efforts revive the local economy, attract young workers back, and restore prosperity to the region.