The quarantine floor has been sealed off but now that the communication satellite dish has been destroyed, Dr. Alan Farragut worries about their future. In particular, there is only one week’s food on that level. In the quarantine itself, Julia tries to calm those who think they’ve just been locked away to die. They find a way to get some attention. She also finds someone lurking in the corridors. Alan wants to use the universal vaccine the lab has developed on his brother who he thinks is on his last legs. Sarah works with one of the scientists who thinks she is …