In the late 1990s, in a small town in the southwest, the Federation of Literary and Art Circles held a writers' pen meeting, and the participants were more than a dozen famous domestic writers. A young woman (Wang Tong) is in charge of the reception at the pen meeting. While serving the pen meeting, she unexpectedly met her long-lost college boyfriend, a man who came to this small town to do business (Wang Zhiwen). decoration). A short time in a small town, a chance encounter... Literary discussions on one side, love stories on the other.

叶星雨（舒淇 饰）忘不了1974年的夏天，本是知青的她在回乡的路上遇到了同样是知青的刘思蒙（刘烨 饰），虽来自不同的知青团，但两人间的感情迅速迸发。这时星雨的男友兼队中排长袁定国（房斌 饰）与思蒙所在的团发生了冲突，定国应此受伤，双方都埋下了极深的仇恨。星雨知道自己是双方冲突的最终原因，于是她主动的找到了刘思蒙希望能解决冲突问题。
但星雨还是抵抗不了与思蒙之间的激情，与之发生了关系，可是天意弄人，他们要走的道路一点都不平坦……