Lin Jiashu and his small group experienced the test of friendship, the throb of secret love, the excitement of dreams, and inevitable growing pains in their ordinary but rich campus life. They used laughter and tears to struggle, be confused, and find themselves all the way. With the addition of new classmate Zhang Zichen, everyone's lives gradually changed dramatically. From the college entrance examination to parting, everyone has achieved transformation in the wave of youth, and finally walked towards the future together with laughter and reluctance.