Once there was magic in Britain. There were dragons and wizards and green knights and kings who pulled swords out of stones. But now, the doors to the Otherworld have closed.

Young Hag has grown up believing her mother and grandmother are the last witches in the land. But when tragedy strikes, she turns her back on these tales. Where is their magic when they really need it?

Then one day they find a changeling in the woods. Confronted with real magic at last, Young Hag has no choice but to bel...