Nine months after breaking up, Su Nian'an is pregnant with quadruplets alone. While living under an alias awaiting childbirth, a sudden emergency sends her to the hospital where her ex-boyfriend, Gu Yanci, works. Coincidentally, the chief surgeon is none other than the children's biological father, Gu Yanci. After learning the truth, Gu Yanci diligently learns how to care for the babies and works hard to resolve misunderstandings from their past. While protecting her children and persevering with her design career, Su Nian'an views this relationship cautiously. Through companionship and understanding, the two move towards each other and reclaim their happiness.