In her high school life, the introverted Mu Mingzhao met Pei Zeyu, Jiang Shuli, Shu Yun'an, Song Xiao, Zhou Xingchang and other friends who were like the sun. They spent a very memorable three years in the lush campus time, harvesting their ideals and their first love. Everyone thought that after graduation and entering university, life would continue to become better as they imagined, but who knew that unexpected difficulties would appear on Mu Mingzhao. Later, Little Sun Pei Zeyu began a long road to redemption, hoping that Mu Mingzhao could be like her name, always bright and full of hope...
Concept: The young people's interpretation of youth and mutual salvation, as well as their interpretation of kindness and ideals, are shown through the growth of several young people.