When the Stanmore parents leave for India, their children, Charles, Caroline and Charlotte, go to their great uncle for a summer holiday in his old house. They find out that one of their ancestors was a witch, the uncle tells them about her lost magic book called The Language of Flowers, and the Three C's start looking for it willing to try different magical charms and spells.

Edith Nesbit (1858-1924) was the author of world famous books for children - the tales of fantastical adventures, journeys back in time and travel to magical worlds.