Wei Ting, under the pressure of the college entrance examination, through her own efforts, was admitted to a key university. She met three roommates with different personalities. Lixia, who is optimistic and carefree, is the boss of the dormitory; Lin Jin, a foodie, is a typical home girl; Lu Pei, whose favorite thing to do is to dress up. In college, these four people get along very well, but because of love, friendship, and work, what chemical reactions are happening among them? Will it affect their friendship?