What is the 11th Summer Solstice about?

Secret love story from campus to city. The Solstice of the 1 1 Summer is a youth love drama, which mainly tells the emotional entanglement between the quiet and gentle heroine Lin Xia and the hero Shen Yu in blossoming flowers in Gaoling. Lin Xia had a crush on Shen Yu in high school, but she didn't confess because of the identity gap and misunderstanding. Eleven years later, the two met again in the city and finally came together after all kinds of twists and turns and tests.