FleshEatingZipper says: "Captain Colter Stevens (Jake Gyllenhall) comes to on a rolling train. The woman opposite him (Michelle Monaghan) thanks for him for the good advice. What good advice? Who is this girl? Within 8 minutes, he and the hundreds of others on their train are killed by the cascading explosion from a bomb in their cab. He awakens in a dark chamber where an Air Force official on a monitor (Vera Farmiga) prods him to go back. And so he does."