Shen Mingzhu lives in the old town of Nanxi, and her adoptive parents run a small restaurant. Mingzhu's boyfriend Feng Jianqi lives in the affluent new city. The two are in love and get married. However, the Feng family objects because of their mismatch.Jianqi died unexpectedly, and the Feng family begged Mingzhu to give birth to a child.

Mingzhu's biological parents came to find her, and she met her biological sister Xu Zhixia, her brother Xu Zhidong, and her sister-in-law Bichen, and gained the love from her biological parents and adoptive parents.But the father-in-law who supported the Feng family died suddenly of a heart attack, the company became insolvent, and Mingzhu's life hit rock bottom again. Everyone advised Mingzhu to abort the child, but she became firm.

Xu Zhixia is troubled by her unmotivated husband and the upcoming second child; Bichen and his wife are almost separated due to wedding preparations; Jianqi's sister Meiqi is unexpectedly pregnant.Four women ushered in their due date together in a noisy life, and they supported each other through the years.