This movie tells the story of a pair of sisters who have been separated since childhood and meet as strangers many years later. After getting along day and night, their love gradually develops into a couple relationship, but at the end they find an unusual relationship with each other... Through this film, we want to explore where the moral bottom line of society is, especially when we touch on themes of gays and taboo love, and reflect on the right and wrong of these more extreme relationships. And the role of sister represents the public who feel that this relationship is "wrong" according to social ethics and moral standards. The younger sister represents the "selfish" self in the love relationship. After all, it is "beautiful" to be with the person you love the most and have each other. There is nothing wrong with loving each other. The only thing wrong is that they are sisters. (Google Translate)