Indigo and her brother Quigley live in a house secretly full of magical Creatures. Indigo is never happier than when feeding chocolate to the fire-breathing rabbit or making nests for the colourful hophop birds. She loves a challenge! But when a giant appears in the garden she has an enormous problem on her hands. Can Indigo and Quigley help the giant save his sister, against all the odds? Indigo will need help from all her friends in both the Known and Unknown Worlds to save the day.