The hero of our history has long been in search of work and suddenly he was incredibly lucky. He was invited to the largest corporation Citadel constructors. Nobody really knows what she does, but everyone wants to get there, because the workers are paid a good salary. The guy arrived at a predetermined place, they were an abandoned metro station, and then you need to help him get into the tower and meet the guide. He will show and tell the essence of the work. The hero is waiting for interesting adventures and unexpected discoveries. He does not expect what secrets he will be able to learn and reveal.