Join Prince Mithel and his intrepid band of young adventurers, in this exciting and courageous all-action tale. When Prince Mithel discovers a treasure map it takes him and his friends on an adventure to the underground tunnels of the castle where they encounter an ancient ghost that has been walking the tunnels for many years. The pirate ghost leads them to the hidden treasure, but their journey is fraught with danger as they encounter giant rats that are eager to eat them as well as other spooky challenges along the way. With magical weapons and portals that lead to other worlds, the fearless adventurers uncover mysteries including a key that unlocks the lost history of Caerleon.