Hong Gildong is a classic Korean tale about a boy born to a noble family but rejected due to his illegitimate status. He possesses extraordinary abilities, including strength and intelligence, which he uses to help the oppressed. The story follows Hong Gildong as he embarks on adventures, ultimately becoming a leader of a band of outlaws. He fights against injustice and seeks to create a fair society, reflecting themes of social inequality and the quest for identity in Korean literature.