A level seven earthquake hit the the Kanto area at 4:55am. 10 survivors are stuck underground on the subway; 2 salary-men, a couple with a young son, an old couple, a calm and collective girl, the subway engineer, and their appointed leader, a man who's never worked to overcome the obstacles in life. How will they escape? What can they do to escape? "It's amazing what people will do to stay alive."