Deep underground, there is a lost kingdom called Hollownest. It used to be a thriving land, but a terrible virus has turned it to ruins. Most of the inhabitants have been killed by this unknown disease, others have become mutants, highly aggressive and with no moral values. This dim world is swarming with outlaws, monsters and dangers. Will our hero manage to find the key to fixing all this? Set out on a challenging quest of finding a vitally important object that can bring peace and harmony back to Hollownest!