From behind the cage, a laying hen who named himself Daun always witnessed the life of a courtyard family full of happiness. The Hen incubates the eggs. The ducks marched towards the dam. The Old Dog who always loses when scrambling for food with the Rooster. Leaves want to stop being laying hens. Leaves want to go out, be free, and be a mother; lay eggs and incubate them. When the opportunity to get out of the cage arrives, Daun must deal with the rejection of the yard family and the threat of a hungry Weasel who is about to pounce. Living outside the cage is not as easy as Daun imagined. But The Leaves managed to hatch the Green Crested, a duckling that differed from the ducks in the yard. The Hen Who Dreamed She Could Fly is a beautiful fairy tale that strengthens the determination to cultivate dreams. A story about being affectionate, courageous, sacrificial, and sincerely loving without discriminating. As soon as it was published, The Hen Who Dreamed She Could Fly immediately stole the attention of Korean readers. It was on the bestseller list for ten consecutive years and inspired the most popular animated film in Korean history.