Happiness knocks at the door, and the ending is more specific.

After resigning from public office, Jiang Lu opened a hairdressing shop. After that, Song Yusheng fled to Tibet, and Zheng Song was admitted to the university. Six months later, she wrote a letter to her father saying that Jiang Lu was pregnant. On New Year's Eve, Song Yusheng found the barber and Jiang Lu. Finally, pregnant Jiang Lu and Song Yusheng danced to welcome happiness.