In Erinn, a land steeped in Celtic-inspired mythology, players assume the role of a Milletian, a mysterious being summoned by the goddess to restore balance. The world is rich with lore, where ancient legends and modern challenges intertwine.

The central narrative revolves around the sudden disappearance of the goddess who once protected Erinn. As darkness looms and chaos ensues, the protagonist is called upon to uncover the truth behind the goddess's absence and confront the malevolent forces threatening the realm. This journey leads players through various regions, each with its own secrets and challenges.