Everything happened very fast. Whole city collapsed in a night and now, strange creatures coming from the underground are walking in the ruined city. Two young friends, Harry and Max, left alone among those creatures, are trying to survive and find their family. 
Creatures that wandering around, catch anybody they find and take them under the ground. It is not just a place there. Deep under the city, there is a one of the most complex maze in the world, and there is a strange burning fire in the center. Although friends just found out about the maze, it is connected to one of them.
The future of the world is in danger and its fate depends on friends. They have to find answers to the riddles and questions that only they can solve. Despite the fact that this is equal to death, they have no other way out and they begin their dangerous adventure.