Gu Shiyu was decisive, domineering, carefree, and unapologetically himself. Gu Zechuan was gentle, refined, talented, and impeccably mannered. Both were the apple of their parents' eyes. Mu Yao was the beautiful and exceptionally gifted eldest daughter of the Mu family, a rare treasure. The Gu and Mu families had been close for generations, and Gu Shiyu, Gu Zechuan, and Mu Yao had grown up together.