This is a long novel filled with tangled fates and deep sisterly affection. The story follows a pair of sisters separated by a childhood upheaval. As they grow up, the elder sister, Bai Yu, and her younger sister separately experience life on the streets, struggles in the clothing industry, and the pursuit of art. Fate brings them together many times, but a mystery surrounding their identities keeps them from recognizing each other. From competing at fashion shows to battling in the business world, the sisters gradually uncover the truth about who they are through rivalry and cooperation. In the end, they join forces to clear up their misunderstandings and embark on a new chapter in their careers. Using butterflies as a symbol, the novel portrays the strength of sisterly bonds and the cycles of fate. It is a heartfelt story about family, perseverance, and self-redemption.