University student Yan Fu who lives outside the dormitory has a neighbour, Liu Zi Ning, who is a single dad. Liu Zi Ning doesn’t know how to take care of a baby, but Yan Fu knows how to, the two people and baby became a warm “family of three”. When Yan Fu’s feelings towards Liu Zi Ning are increasing everyday, Liu Zi Ning is having thoughts of having a girlfriend.

外宿的大学生严福的邻居刘梓宁是个单身爸爸。刘梓宁对照顾婴儿感到无措，严福却对此得心应手，两个人跟一个孩子组成了温馨的“一家三口”。在严福对刘梓宁的感情日益热烈的时候，刘梓宁却起了找女友的心思。