Everyone is freaking out. They can't get their cell phones to work. They're all freaking out about what's going to happen in the meeting room on the 17 th floor of the building. Everyone's freaking out because it looks like they're going to be blown up. The guy who's supposed to be in charge of the meeting is freaking himself out. He's got a message for the guys in the room. They need to get out of there ASAP. The bomb's already been set. The guys are freaking out, too, because they think it's just a matter of time before they hear the voice they heard before. It's telling them that the bomb is going to go off. They should get out ASAP. They hear the bomb go off, and they realize that they've just killed the guy who was supposed to control the bomb. They don't know what else to do. They figure out that the key to the bomb was sent from the guy in charge, and that the guy is dead. They also learn that the explosion was caused by hydrogen, which isn't as dense as air or as tasteless as steel. They wonder why the guy wouldn't just come out and tell them what he was up to the day before, but he didn't. They have a new supervisor