Yu Yutong, a female poet, writer and painter during the reign of King Seongjong of the Joseon Dynasty, had an unhappy marriage and had affairs with many men, becoming famous. She even seduced the king of Joseon, which was not in line with the social ethics of the time, so she was nicknamed "witch", "whore", "evil woman" and "slut". Yu Yutong: The Flower Without an Owner focuses on how she abandoned her noble identity and transformed herself into a prostitute under the name of Yu Yutong after being abandoned by her husband, and started a story of revenge. In addition, a fictional character, Carpenter, was created, who had a triangle relationship with Yu Yutong and her husband, and also showed the secret life of women in the Joseon Dynasty.