Jing Bailing, an unsociable "student master", unexpectedly made two good friends, Shu Yao (Yao Ming), a "female Yao Ming", and Xia Yin, a "returnee girl" after being assigned to the liberal arts class at Nanxing No. 1 Middle School. With Jingjing's friends by his side, everything became different. In addition to loving her mother, she also has two best friends to love. In the boring and boring days of preparing for the college entrance examination, they brought their youthful ignorance, impulsiveness and persistence and experienced the baptism of youth together, such as enemies and friends, search and persistence, dreams and struggles, blindness and wisdom, trust and doubt, friendship and love, despair and hope, ambition and ambition, etc., And ushered in the beautiful life of college. However, after her freshman year, Jing Jing stayed in Beijing to continue her studies, Shu Yao started her modeling career, and Xia Yin returned overseas. They became best friends in a foreign country and could only rely on the Internet to call each other. They met in the blooming season at the age of sixteen, stayed together in the rainy season at the age of seventeen, and grew into close friends at the age of eighteen.