During the military training for freshmen at Tsinghua University, the seventeen-year-old Lin Jia saw the profile of Gu Ziheng's face for the first time, and they fell in love with each other for the first time. The arrogant and venomous Gu Ziheng accompanied Lin Jia through the best four years of college. However, when they were young, they broke up due to a quarrel on the eve of graduation. Lin Jia went to study in England. On the other side of the ocean, Gu Ziheng never heard from Lin Jia again.
Eight years later, Lin Jia returned and met Gu Ziheng again. Her memory seemed to go back to 12 years ago, when Lin Jia, who loved Gu Ziheng deeply, and Gu Ziheng, whose temperament changed drastically, turned against his college classmates.
It was not until many years later that Gu Ziheng understood that those youthful years woven with youthful vines were the cage of his life's happiness...