Films or drama series are highly favored by many people, especially among teenagers. One of the most popular foreign drama series in Indonesia is Korean drama. Korean dramas depict fictional strories and portray Korean life. One of the Korean dramas that attracted public attention was Twinkling Watermelon. This drama directed by Son Jung-Hyun carries the genre of fantasy, romance, and time travel. The author's goal in analyzing this drama is to find out the meaning of denotation, connotation, and myth, as well as the moral messages contained in the Korean drama. This research employs qualitative research methods using Roland Barthes’ semiotics theory. Data for this study are based on scene and dialogues from episodes 14-16 of the Korean drama Twinkling Watermelon. The data collection techniques used are observation, documentation, and literature study. The results obtained from this study indicate that in the Korean drama there are moral messages seen from denotation, connotation and myth. The moral messages are (1) Being serious in doing something. (2) Parents' responsibility towards their children. (3) The importance of communication in every relationship, especially family. (4) Sincere love. (5) Do not force ourselves to bear burdens that are not our responsibility. (6) Never give up and keep fighting.