Among the shape shifting hal’ryth’kei, mouse-wizard Baltasar desperately seeks to heal his son.  Fiddler rat Nicht Naught Nothing, aka Nichtel, wants only to make her music, to love and to be loved.

Despite a prophecy that nothing will heal his invalid son Meinrad, the wizard strikes a tricky bargain in order to claim Nichtel.  If she can heal Meinrad, he tells her, all his treasures are hers for the asking, save only one.

The one thing she wants.