女工兰香和丈夫白新年以及女儿白天过着幸福美满的生活。然而，在一次与副厂长王友谊和摊主沈凤妹的争执中，白新年和王友谊不幸被沈凤妹失手推入卡车身亡。沈凤妹在临终前请求兰香收养她的女儿水月，一个叛逆的少女。随后，兰香多次替王友谊照顾他收养的孤儿花海，但花海的生母华娟娟却巧妙地躲避着兰香的寻找，还试图栽赃给兰香

车祸肇事司机黄大河因此丢掉了工作，被妻子郑亚琴离婚。兰香的好友卫峰和郝丽君因为性格不合离婚，郝丽君还将责任归咎于兰香，两人的矛盾不断升级。黄大河一直陪伴着兰香，但兰香却拒绝了他的好意。华娟娟嫁给了一位富有的港商，而水月认为兰香是害死她母亲的罪魁祸首，因此变得叛逆，花海对自己的身世也充满了疑虑。

兰香和黄大河一起解决了各种问题，感情也逐渐升温。然而，郑亚琴和水月的父亲又再次出现，华娟娟也决定认亲，让平静的生活再次被打乱。兰香一一应对，最终三姐妹也都回到了她的身边，感悟了很多。兰香和黄大河的爱情也迎来了春天。

Female worker Lan Xiang lives a happy life with her husband Bai Xinnian and their daughter Bai Bai. However, in a dispute with the deputy factory director Wang Youyi and the stall owner Shen Fengmei, Bai Xinnian and Wang Youyi were accidentally pushed into the truck by Shen Fengmei and died. Before she died, Shen Fengmei asked Lan Xiang to adopt her daughter Shuiyue, a rebellious girl. Later, Lan Xiang took care of Wang Youyi's adopted orphan Hua Hai many times, but Hua Hai's biological mother, Hua Juanjuan, cleverly avoided Lan Xiang's search and tried to frame Lan Xiang

The driver Huang Dahe who caused the car accident lost his job and was divorced by his wife Zheng Yaqin. Lan Xiang's good friends Wei Feng and Hao Lijun divorced because of personality differences, Hao Lijun also blamed Lan Xiang, and the conflict between the two continued to escalate. Huang Dahe stayed with Lan Xiang all the time, but Lan Xiang rejected his kindness. Hua Juanjuan married a wealthy Hong Kong businessman, and Shuiyue believed that Lanxiang was the culprit who killed her mother, so she became rebellious, and Huahai was also full of doubts about her own life experience.

Lan Xiang and Huang Dahe solved various problems together, and their relationship gradually warmed up. However, Zheng Yaqin and Shuiyue's father appeared again, and Hua Juanjuan also decided to recognize relatives, which disrupted the peaceful life again. Lan Xiang responded one by one, and finally the three sisters returned to her side, and they learned a lot. The love between Lan Xiang and Huang Dahe also ushered in spring.