The film consists of two love stories, "First, Second, Third," and "Love is a Book." The former tells the story of two male lovers who begin with a sexual relationship, develop feelings, and then openly share their emotions, leading to a deep connection. The latter revolves around two female lovers, reuniting after a long separation, experiencing a surge of past emotions and the inevitable clash with present realities.

Love is a book, and while they are in different chapters of their emotional journeys, both stories share similar, ambiguous, and pure expressions of love.