Cosmo a witch-cat is delighted that evil Sybil -- the most terrible of witches -- is safely in prison. In fact shes even fitted with a special tag which means that if she & her cronies try to escape they will be turned into frogs. But then mysterious goings-on are reported in Witch News. Baby witches are being visited by a strange new health visitor -- & having their long curly toenails clipped & stolen! Something sinister is afoot. Could it be that Sybil & her criminal cauldron are at work again?