影片讲述了拳手马蒂（帕迪·康斯戴恩饰）是一名世界中量级拳击冠军，跟妻子艾玛（朱迪·惠特克饰）有一个漂亮的女儿米娅，在他的职业生涯即将结束之际的最后一场拳击比赛中，马蒂遇到了一个强有力的年轻对手——傲慢、古怪又有争议的安德鲁，安德鲁一直扬言要得冠军，这场比赛彻底改变了马蒂 的人生。比赛结束后，马蒂卫冕成功，但是脑部却受到严重的撞击，他的生活、婚姻和未来都发生了巨大的变化。Matty Burton is the middleweight boxing champion of the world. Now, coming towards the end of his career, he knows that he must make his money and get out of the game. His aim is to secure a home with his wife Emma, and a future for their baby daughter Mia. After a titanic battle against Andre 'The Future' Bryte, Matty returns home to Emma, but moments later collapses on the living room floor from a delayed reaction to a devastating punch. When Matty awakes from the coma, the real fight begins. Suffering from memory loss and with his personality altered, Matty must begin to piece his life back together as his world disintegrates.