The drama is based on a famous webtoon of the same title and explores the complicated relationships of four first-year students caught between friendship and romance. Han Dae Kang (Jaemin) may seem to have a cold personality, but he is actually warm and caring. Oh Mi Ri (Kim Ji In) is torn between her crush and her best friend. Go Eun Tae (Lee Jong Won) is Oh Mi Ri’s crush. Lee Da Som (Kim Yoo Jin) is Oh Mi Ri’s best friend and Go Eun Tae’s girlfriend.