A starship crashed on an uninhabited planet and its crew had to abandon it. Years later the survivors and their children try to return to the ship and send a distress signal. But for that they must go through a very dangerous mountain passage.
The teacher at school made a scientific experiment - he put two rats in different cages. One of the rats was given carrots containing vitamin of growth, and the other did not feed. Time passed, and the rat, to whom nothing was given, became thicker than the rat that was fed. It turned out that one student from pity fed another rat.
Based on a fairy tale by J. Aiken, the film tells the story of a journey on an apple pie, into which the hostess accidentally baked a piece of sky. The hospitable hosts of the flying pie gather a motley crew that embodies friendship and mutual understanding.
