Yu Xiaoqiang, an old divorced woman, is headstrong and immature. She worked hard with her husband Liu Guangyao and finally gave up her career and became a housewife, but her husband betrayed her and abandoned her.
After the marriage, she and Bao Jiaming, a computer engineer six years younger than him, started a new and different "sister-brother love". After experiencing twists and turns, she finally became tolerant and rational from willfulness and impulsiveness, and became an independent and strong new professional woman.