1970年，平安夜。妓女伊莎贝尔（佩内洛普•克鲁兹 Penélope Cruz 饰）临盆在即，情急之下，老鸨舍命拦车，结果她在车上产下一子，取名维克多。20年后，维克多爱上了跟他有染的女孩艾莲娜，但约会却被放鸽子。气愤的维克多登门造访，被犯毒瘾的艾莲娜以枪相逼。两人僵持时，警察桑丘和大卫（贾维尔•巴登 Javier Bardem 饰）刚好经过。此前，醉酒驾车的桑丘正在跟同事倾诉老婆偷情之事。在对抗中，大卫被维克多射伤导致下肢瘫痪，后者因此锒铛入狱。6年后，入狱期满的维克多在电视中看到了残疾运动员大卫，后者代表西班牙队参加92年巴塞罗那残奥会，并赢得了篮球金牌。维克多要找大卫复仇，却跟大卫妻子成了同事，这阴错阳差的背后竟隐藏着惊人的秘密……Pizza delivery man Victor is having an argument with Elena, whom he met a few days ago, but she was high then and doesn't want to hear about him. Reacting to the noise, two cops, young David and older Sancho, arrive at the scene, the gun accidentally goes off.. Four years later David is a wheelchair basketball star, he's married to Elena, Victor is released out of prison and their destinies begin to cross again.