Tonight's story is about a Butterfly who, feeling unwell, entrusts a kind Caterpillar with the care of her future offspring. Despite her doubts about her suitability for the task, the Caterpillar promises to do her best. Seeking advice from a wise Lark, the Caterpillar learns that the Butterfly's eggs will hatch into Caterpillars and that they should be fed cabbage leaves. As the Caterpillar cares for the eggs, she discovers she will one day transform into a Butterfly.