"The Hen Who Dreamed She Could Fly" is a children's book by Sun-mi Hwang that tells the story of a hen named Sprout who dreams of escaping her confined life in a farmyard. She yearns for freedom and adventure, believing she can fly like a bird. Throughout her journey, Sprout faces various challenges and meets different animals, including a duck and a rooster. The story explores themes of determination, self-discovery, and the pursuit of dreams, ultimately highlighting the importance of believing in oneself and embracing one's true nature.