In dormitory 214 of S University, there is Ning Xi, who is a bit silly and cute. She has a goddess roommate, Yan Ling, a tomboy roommate, Chen Chun, and a roommate who knows everything, Lin Yue. They meet all kinds of people and things, and their relationships are not as invincible as in the legend, nor are they at odds with each other. Their college life is just like the characteristics of Northwest, simple and interesting.