The underground city of Argus, mankind's greatest feat of engineering and craftsmanship, was built to last forever.But why was it built ? Who built it ? What is the mysterious god tongue ? and most importantly, what happened to the world outside its walls ?these are all questions that 13 year old Noah has asked himself for as long as he can remember, but he scarcely has time to contemplate them. Between school and helping his grandpa in his workshop, his life is pretty full.But when he gets a bit too curious one day and attempts the impossible, his world is turned upside down in an instant, he is forced to deal with the harsh reality of the world, as well as decide if he is truly willing to do whatever it takes to get the answers he is looking for.