《重返17岁》17岁的迈克是校园风云人物,在一次关键性的篮球冠军赛上,他决定放弃前途,向自己的女友斯佳丽求婚。20年后,人到中年的迈克生活事业两失意,妻子斯佳丽决定与迈克分居,一双儿女也对他形同路人,迈克只好搬入科技新贵的朋友奈德家暂住。迈克追忆自己本来可有的锦绣前程,却在重返高中校园的过程中遇到一位神秘的清洁工,让他突然重返17岁…… Back to 17 Mike, 17, a school-aged man who decided to give up his promise to act for his girlfriend Scarlett at a key basketball championship. Twenty years later, when Mike reached the end of his life career, his wife, Scarlett, decided to separate from Mike. A pair of children and children were just like him. Mike recalled what he might have been a bright future, but in the process of returning to high school on the campus encountered a mysterious cleaners, let him suddenly return to 17 years old ......