Many years have passed since Alefgard was saved and its hero earned the title of Erdrick. The descendants of Erdrick and his heirs founded three kingdoms that thrived during peacetime. But darkness stirs once more, and a sudden invasion of monsters plunges the world back into shadow. All that stands between evil and its ambitions is a band of young princes and princesses of Erdrick's lineage — now called to honor their ancestor's legacy.