In a world called Dion: Before the royal mage's death she opens a gate that was closed by her ancestors in the great war between humans and Taints. The queen fears that the great war will, once again, take place. Taints are horrible animals that are consumed by darkness and crave human souls. Lina Artois, a 13 year old orphan, does not realize her importance in the quest to save Dion until she meets 14 year old swordman Vincent Valentine. Together, with friends, can they save Dion...?