An Si, Lin Yinan, and Zuo Haoling have played together since childhood. They have been inseparable in elementary school and junior high school. In the third year of junior high school, Zuo Haoling's family moved, and he left his hometown and best friend. So the three of them made up their minds to go to the same university.
Three years passed in the blink of an eye. They were admitted to the same university as they wished. But everything did not go as they imagined. The friendship between the three of them gradually became blurred in the season of youth, when the flower of love blooms. The sudden Suni, the sudden disaster, is quietly sneaking into their lives...