As a young girl in her hometown, Princess Mikoto of Elua was inspired by a visitor to embark on a treasure hunt across the vast land of Driland. With her loyal aide Wallens by her side, they set out on their expedition. But they soon found themselves joined by Pollon, who dreamed of becoming a hero, and Paan, a wandering knight. As they journeyed, they began to sense a growing threat of perilous danger.