The fourth installment of the 'Little' franchise that focuses on the topics of divorce and remarriage, and finding love and happiness again with a new family.

Liu Xiaomin divorced her ex husband a long time ago and came to Beijing from a young age to work hard. She met and got to know Chen Zhuo, who was also divorced. On the occasion of the first anniversary of their relationship, mother Wang Sumin and son Jin Jiajun suddenly arrived in Beijing. Liu Xiaomin and Chen Zhuo had to be more cautious in their love relationship. However, her ex husband has been constantly entangled in Beijing, and her relationship with Chen Zhuo has been discovered by more and more people. Their respective children have also become too close, and their sister's marriage has also experienced some ups and downs. A series of troubles followed one after another. But Liu Xiaomin and Chen Zhuo solved various difficulties in their relationship and life with love and tolerance, and ultimately gained growth and true happiness.