After the rescue of her mother and their safe return to Manehattan, Desert Dust is once again sent on an expedition to secure funding for the aging and slowly-worsening Institute. Travelling across the world, from the crumbling city of Emilial to the faraway, accursed Isle of Bones, she recovers further pieces of the puzzle. What power does the Shroud hold? Where has it been hidden, and by whom? There's only one way to find out.