The big forest is full of dangers. It's good to have a strong friend. And if you don't have one, you just invent one. The little mouse is wandering alone in the forest and meets the fox, who invites her to a feast, the owl, who asks her for tea, and the snake, who invites her to the snake-mouse party. However, the little mouse threatens anyone who wants to eat her with the terrible Gruffalo. She has only made him up, because Gruffalos don't actually exist..., do they?.