· Marriage first, love later & strong alliance: From a plastic couple full of calculations to a soul mate whose lives depend on each other.
· Beautiful, strong and miserable male protagonist & growth-oriented female protagonist: The prince who is cold on the outside but hot on the inside, decisive in killing VS the girl who is smart and tough, and is determined at every step.
· The love of family and country and the love of children: The love line and the power line are both equally important, and the pattern is grand.
· Counter-routine of "substitute literature": The heroine has been clear-minded about her career from the beginning, and uses her strength to win respect and love.
A concubine who was abandoned by her family was forced to marry the prince of an enemy country who was rumored to be cruel in her eldest sister's place. However, in the tempering of intrigues and war, she and he tested each other and stood side by side. In the end, they uncovered the mystery of their life experience, grew from a chess piece to a chess player, and jointly created a peaceful and prosperous age.
