經過二十多年在全球各地旅行後，崇尚自由的音樂家瑪麗湯瑪斯決定回到大學，修完自己的學位，這樣，至少她能有始有終地完成一件事。回到校園後，她很快就和年齡相仿的導師成為密友，結果卻瞭解到了一個驚人的事實，並就此改變了她的一生。
After two decades travelling the world, free-spirited musician Mary Thomas decides to go back to college and finish her degree so that, for once, she can finally finish something she started in Back To School Mom. Back at university, she quickly becomes close friends with her "peer tutor" only to learn a shocking truth that will change her life.
