高一生涯结束,野猫队的所有成员都准备好迎接美妙的暑假。暗恋特洛伊(扎克·埃夫隆 Zac Efron饰)已久的夏培(阿什丽·提斯代尔 Ashley Tisdale 饰)利用她父亲的影响力帮特洛伊在自家经营的豪华俱乐部中弄到一份工作,和藉机让他获得大学篮球奖学金的机会。而条件是特洛伊必须放弃野猫队,并和夏培搭档参加俱乐部一年一度的才艺比赛。同时,这也是夏培让特洛伊远离女朋友盖比瑞拉(瓦妮莎·哈金斯 Vanessa Hudgens饰)的计谋。可特洛伊让盖比瑞拉被同时被俱乐部录用,让夏培十分气愤。夏培的弟弟莱恩和没了特洛伊的野猫队合作,排练曲目参加比赛。不料被夏培知道,强行取消了他们的资格。盖比瑞拉伤心地从俱乐部辞了职,并开始与特洛伊产生裂痕,野猫队的成员也开始把特洛伊排除在外。 这一次特洛伊到底该选择哪一边的阵营?这个夏天到底会有怎样不一样的抉择?Troy is offered a job at Ryan & Sharpay's country club and ends up landing jobs for Gabriella, Chad, Taylor, Kelsi, Jason, Martha and Zeke. He is then introduced to Sharpay's parents and realizes that Sharpay can land him many opportunities and even a basketball scholarship. Meanwhile, while Troy starts hanging out with the rich folk, Chad is worried that Troy will forget his friends. Gabriella feels as though she is losing Troy to Sharpay. In the end, Troy will have to learn how to think about his scholarship without losing his friends.