两列火车发生了对撞的惨剧，131名乘客不幸遇难。唯一的幸存者大卫（布鲁斯·威利斯饰演）醒来后发现自己在费城医院的急诊室中，更奇怪的是他不仅得以生还，而且全身上下一点儿伤也没有。这次事件引起一个名叫伊利亚（萨缪尔·杰克逊饰演）的黑人的注意，伊利亚天生手脚残废，命运多舛的他认定大卫身上有某种超自然的力量。男主角大卫能如此幸运地躲过劫难，究竟是老天的恩宠，还是冥冥中有不可思议的邪恶力量在控制著他？在伊利亚的引导下，大卫逐渐发现了其中的秘密。

This suspense thriller unfolds as the audience is introduced to David Dunn, played by Willis. Not only is he the sole survivor of a horrific train-crash that killed 131 people he doesn‘t have a scratch on him. Samuel L Jackson plays an obscure character who approaches Dunn with a seemingly far fetched theory behind it all rocketing off an enticing thriller with a sci fi twist