After the death of the ancient dragon lord, his heart turned into the "Dragon Heart Gem" containing dragon magic. The treasure map was imprinted in the blood of the three knight families in the form of runes. Only by gathering the power of the three bloodlines can the treasure be activated, but those who touch the gem will fall into the "Dragon Blood Curse" - greed devours the mind and eventually turns into a dragon. Using the "Treasure of the Dragon Lord" as a clue, it focuses on human greed and redemption...
