电影讲述28岁的女主角无法承受男友求婚的压力，她选择以与中学生交朋友的方式来逃避。凯拉·奈特莉在片中扮演一个叫做“梅根”（Megan）的年轻女人，她的男友（马克·韦伯）策划了一场别出心裁的求婚，结果吓坏了她，于是借着休假的名义和16岁的妹妹安妮卡（科洛·莫瑞兹）一起找了 个地方躲了起来。萨姆·洛克威尔在片中将扮演一个叫做“克莱格”（Craig）的老男人。Megan's approaching 30 with a good degree and a boyfriend in hand, but when he proposes at her friend's wedding and everyone seems to think that the best way to advance in her career is to take a seminar where you find out what animal you are, Megan's understandably feeling lost. After meeting teenagers who want her to buy them beer, Megan is drawn into 16-year-old Annika's simpler life. She ends up moving in with Annika and her single father, juggling the life of a teen and that of an adult, two romantic interests, and the feeling of lagging behind.