In a world known as Agarest, five continents hold sway over the lineage of a family which spans five generations. The game starts off with an aristocrat-cum-knight named Leonhardt who's decked with feathered hair and wears a crisp military uniform with white Versace overcoat. Leonhardt has been assigned to a guard post but deserts the military life after much disenchantment with the ravages of war.

In the process of going AWOL, he's mortally wounded by a conspiracy of events but he's given a second chance at life by a deity named Dishana. In exchange for his services and loyalty, Leon is revived and made into a Soul Container which allows him to live a normal life and sire offspring with one of three possible maidens (Fyuria, Elaine, and Luana) to continue his bloodline.