Tiia Oruburaianto is a young woman traveling the world in search of the finest weapons. A formidable warrior, Tiia wields the legendary sword Grandeek and holds the rare gift of perceiving and conversing with the spirits inhabiting weapons and armor. While on her journey, Tiia hears a faint voice crying out for assistance. She eventually locates the voice's origin: the blade of a notorious assassin. Unfazed, Tiia resolves to rescue both the sword and its master.