Unlike the other mice, who are incurious about the wall that has always been part of their world, Tillie is determined to find out what lies on the other side of the wall.
A strong wind blows most of the letters off the alphabet tree and those that remain hide among the branches. Then a bug and a caterpillar come along and teach them how to arrange themselves into words and sentences to form a special message.
When his friend, the tadpole, becomes a frog and leaves the pond to explore the world, the little fish decides that maybe he doesn't have to remain in the pond either. A fable about a fish who learns from a frog how to be happy just being himself.