|The year is 1066 and a convent comes under attack by Vikings. Onlu one survivor of the attack manages to escape into the woods. Unfortunately for her, she is pursued by the Vikings, who intend to kill her, or worse. However, just when things looked their worst a Valkyrie descends from the sky and saves her.
This Valkyrie, Areala, has converted and begins the class of fighters known as the "Warrior Nuns", to combat evil and all the forces of Hell. With the aid of the "Magic Priests" they provide a thin line of defense between Earth and the horrors of Hell.