The youth campus romance love story movie “The Girl 2 ” is also named as “At the Age of Seventeen”. When Ai Meili went to college, she decided to form a band and aimed to win the National Campus Musical Competition, then her roommates Su Mi, Wu Yimeng and another handsome boy Wen Zhuo joined the team. They have to defeat the famous Young Rose Band on their road to the final winner. Also they faced the friendship and love during this journey of youth.