Han Jung-rok, nicknamed "The Green Bean General", Lee Seung-heon, the "Mudeungsan Crab", and Bae Chul-soo, the "Drunkard's Alley Poet", lead unique college lives. With the appearance of Min Dai, love conflicts arise among the friends. Jung-rok tries to approach Dai, but Chul-soo only loves her in secret. When Dai opens a cafe, Jung-rok and Seung-heon grow closer to her. One day, Jung-rok quits his part-time job at his father's suggestion, and Chul-soo helps Dai while writing a novel, and love begins to blossom. Due to Jung-rok's misunderstanding, Chul-soo leaves and dies of liver cancer, leaving behind an award-winning novel and the true meaning of a student. Jung-rok, Dai, and Seung-heon realize Chul-soo's friendship and the essence of being a student, and pledge a new start to their college lives.