Sun Xiaonian and Dong Chengjian. She receives a 10,000 yuan gift. He is calculating, selfish, and tries to get the money back. Seeing his and his mother's selfish nature, Xiaonian breaks up. Xiaonian meets Shen Chuan, a considerate, steady man from a decent family. Their families' values align, leading to engagement and wedding. Xiaonian finds a happy marriage, proving marriage depends on family character.