Five years ago, Lin Nuannuan was involved in an accident and gave birth to quadruplets on her own. She works hard to make a living and raise her children. By chance, she gets a job as a cleaner at a company, where she unexpectedly crosses paths with its CEO, Bo Jianchen. Starting with constant friction and misunderstandings, the two gradually come to understand each other through their daily interactions. Meanwhile, the children are innocent yet quick-witted, bringing about many amusing and awkward little incidents in their everyday lives while also becoming entangled in past relationships and conflicts. Together, these stories portray the warm, everyday life of a single mother striving to build a better life.