A story about four friends living in the city follows Xia Yan, Liang Shuang, Zhao XIaolei and Xiang Nan. As they approach their thirties, the four ladies who have been close since their university days learn to embrace life together. Since their graduation, Xia Yan (Sun Yi) who works in IT aspires to create an app that can help people. While pouring her efforts into her work, she also finds love along the way. Despite her wealthy background, Liang Shuang (Jiang Yan) who dreams of becoming a designer decides to start out on her own by working at a furniture store. Zhao Xiaolei becomes depressed after being dumped by her boyfriend one day before their wedding yet she learns to overcome her insecurities through the help of friends and family. Xiao Nan who is a doctor seems the most level-headed out of the four. However, she is the most emotionally closed-off until an unexpected encounter changes her perspective.