8 parts Complete MatureGoing up-stairs in the subway, a man steps on a plastic cup and falls down, but far from getting severly hurt, he finds himself in a strange place, where no-ending yellow corridors is all to see, and from where is almost impossible to scape. At first, he thinks he is in a coma or in some kind of nightmare, but after starting to feel hungry and thirsty, he relices that maybe everything is real, and he needs to get out before is too late.