When Su Yunwan was reborn, his concubine's sister changed her marriage. The concubine originally thought that after the marriage exchange, Su Yunwan would face the wedding day just like her previous life, and that her husband-to-be would escape from the marriage and become a laughing stock in the capital. And if she marries Su Yunwan's husband in her previous life, she can become the imperial wife that everyone envies.
Who would have thought that everything would be in chaos? Su Yunwan not only did not remain a widow, she turned into the prince's sister and the noble princess. And how could her life become more and more miserable...
