18-Year-old Lin Qingyin was admitted to the top Huaqing University in the country. She originally wanted to finish college quietly, but unexpectedly she met Gu Shen, the school's male idol and the son of the school director.
Gu Shen, who looked cold and abstinent on the surface, gradually revealed a gentle and affectionate side in front of Lin Qingyin. From misunderstanding to meeting at the same table, the two got closer to each other step by step, from club cooperation to late-night library, from walking on campus to holding an umbrella in the rain - in the most beautiful time of youth.
However, there are undercurrents behind the sweetness: the family feud of the Gu family, the secret love entanglement of the female partner, the mystery of Lin Qingyin's life experience, the reality test after graduation...