本片根据真实故事改编。
农村孩子石娃自幼丧母,与父亲和姐姐相依为命的他长到七岁时,为生活所困的父亲再也拿不出足够的钱供他和姐姐同时读书,一把铜勺令成绩优异的姐姐辍学,父亲叮咛石娃好好读书。石娃上初中时,姐姐为给家中节省开支早早出嫁,并从男方出的彩礼钱中挤出一部分供他念书。懂事的石娃刻苦读书,在全国化学奥林匹克竞赛中夺得一等奖第三名的好成绩,并考取了省城师范学校,但此时父亲却在干活时不幸摔伤终瘫痪在床,为了照顾好父亲又不耽误学业,石娃决定背起父亲上学。。1999年除夕夜,堀上笃志(堂本刚饰)却心情灰暗,求职失败,在家里又和父亲起了严重的冲突,他跑到电影院看一部叫(失物森林)的老电影。突然间,胸口一阵激痛,笃志因突发心脏病而倒地而死。死去的笃志竟穿越回高中时代,在确认周遭的一切后,他意识到自己的时代来临,利用已知的未来的知识,笃志靠赌马赚取大把金钱,拯救了自杀的朋友,考取了一流的名校,一转成为举世瞩目的天才青年。又到1999年除夕,笃志的心脏病在同一时刻再次发作,当他醒来的时候,再次回到1995年,开始了重复的人生。。Today is Jimmy's last day alive. Having been diagnosed with Alzheimer's, he's decided to die like he has lived - with intention, humor, and a spoonful of zest. As his last day progresses into night, he tells the story of his past to an upcoming journalist, his present to his death doula and his future to a gentle otherworldly being. As his caretaker, friends, his estranged brot...。