The princess of the subjugated country was abandoned among the people, and was cultivated by the son of the enemy who wiped out her clan. She became a killer in the palace and was determined to help him complete his great cause, even at the risk of her life. From secret feelings to deep-rooted love, from simple ignorance to cruelty. Everything was just for him, thinking that all the hardships would eventually come to an end... But it turned out that she was just a substitute for others, and everything was just for revenge... My heart was cut by a knife, but I was willing to fall. It turned out to be a game within the game... The world is like a chess piece, and I am just a chess piece. In the vast world, has she ever had a place and a place? "Many things have happened for so long that I can no longer remember them clearly. I just ask, do you want to love or win?" I think, I only want you.