They were originally two sisters from Murong's mansion. Unexpectedly, their fate was unlucky. When they were just born, their mother died and they were forced to separate. When they met again, they turned against each other.
They both fell in love with the crown prince of the Chen Kingdom, but only one of them could be the crown prince, while the other had to marry the princess in the Xia Kingdom.
"If there is another life, we will still be sisters."