The Wonderful Garden tells the story of the Stanmore children, who spend the summer holidays with their Great-Uncle Charles in his beautiful old house. They find out an astonishing and exciting family secret from one of the Great-Uncle's stories - that they have a witch for an ancestor! The kids manage to find a secret book of magic and learn to use all kinds of plants and flowers in spells. They start to make some good luck charms on people around them…