Seasoned explorers and novices alike venture under-ground into dangerous caves to collect the coveted material known as Pluton. During your first trip down into the depths of one of these mines, you and your new explorer friends quickly realize that things may be more dire than you had imagined as you encounter a brand-new type of evil lurking below the surface. You and your newfound friends must strategically defeat these new difficult foes and warn the kingdom of their presence before it's too late.