What would happen if all five of them went to the same university? They entered college life thinking studying will be the only thing they would encounter, but it turned out to be more than that. When the university owner's daughter seems interested in Haerin, Danielle finds herself exploring a feeling that is foreign to her, jealousy. Meanwhile, Minji wants to take her relationship with Hanni to a more intimate level. And Hyein's dorm mate makes the girl question her life choice to just be single and have fun.