David Dunn's (Bruce Willis) marriage with Audrey (Robin Wright) is crumbling, and he's thinking of moving to New York. He is taking a train from New York back home to Philadelphia after a job interview when his train collides and David is the only survivor among the 131 passengers on board. As David wonders what has happened to him and why he was able to walk away, he encounters a mysterious stranger, Elijah Price (Samuel L. Jackson)