No real witch would casually step out of their body, leaving it empty. Tiffany Aching does. And there's something just waiting for a handy body to take over. Something ancient and horrible, which can't die.
To deal with it, Tiffany has to go to the heart of what makes her a witch. Get past the 'I can't'.
But even with the help of the Nac Mac Feegle - the rowdiest pictsies on the Disc, who like facing enormous odds - she still might not be able to win herself back . . .