Clover Twig is clever, neat and responsible. Her chaotic and lovable family could really do with some extra money, so when she sees a sign saying "WANTED, STRONG GIRL TO CLEEN. APPLY MRS ECKLES COTTAGE IN THE WOODS", Clover knows this is the job for her - even though Mrs Eckles is (perhaps) a witch and the cottage in the woods can, well, fly.