The collection consists of four stories, which are the keys to the doors to completely different worlds. They exist according to their own rules and are subject to their own laws, but this does not save them from problems that are well known to us. How to find your way among hundreds of different roads if the next choice calls into question all previous decisions? Open each of the rooms and take a look at the answers stored in them. Only then will you get a chance to enter the fifth room and realize what path is prepared for you.