In the 1970s, Fei Ni, a female worker in a positive and enterprising hat factory, wanted to change her destiny by relying on knowledge to go to college.Fei Ni's junior high school classmate Fang Muyang became a hero who bravely acted for justice because of his injury to save people. Fei Ni took the initiative to take care of him and wanted to do good deeds and evaluate the advanced and was recommended to go to college, but his hopes were repeatedly disappointed.

The pressure of reality comes one after another. In order to help my brother solve the problem of wedding house, Fei Ni proposed to Fang Muyang to get a fake marriage and share the house.After many twists and turns, the two finally had their own house and became a young couple sleeping on the upper and lower bunks. They faced difficulties together and encouraged each other to pursue their dreams. Although they were bumpy, they also grew into a romantic relationship in their ordinary and warm life.