The heroine Lin Xingsheng is married to Su Cheng, who is eleven years older than herself. They live a happy married life and have a lovely son. At a class reunion, Lin Xingsheng reunited with her first high school boyfriend, Yu Xiaoran, and the two rekindled their old relationship, sparking love. The marriage of Lin Xingsheng and Su Cheng gradually began to show cracks, and they each had new loves outside the home. Their marriage did not end well in the end. After the divorce, the custody of the children belonged to Su Cheng, and Lin Xingsheng also started a new life with Yu Xiaoran.