Lin Wenyin, a girl from a Jiangnan family whose engagement was broken off, was forced to become a tutor for the Gu family, a wealthy businessman in Shanghai, due to family changes. While getting along with Gu Mingzhang, the third young master of the Gu family, the two went from misunderstanding to mutual understanding, and gradually developed feelings for each other. However, the secrets of the business war from twenty years ago are hidden in the Gu family's deep compound. Wen Yin unexpectedly discovers that her entanglement with the Gu family actually stems from the grudges of her father's generation. When the May 30th Movement swept Shanghai, the lovers had to make a choice in the tide of the times.
