Five years ago, she was Yun Zhiyi, the daughter of the Taifu, and he was Yan Xuan, a young general from a poor family. She was filled with joy at the marriage proposal, but he was ordered to rush to the border on the eve of the wedding, leaving only a red note saying "Wait for me". After that, there was no news for many years. She became the laughing stock of the whole capital, and the family was also overthrown.
Five years later, she is an ordinary medical woman struggling to survive, helping to sort out the belongings of fallen soldiers that can never be delivered at the "No Return Station". And he became the powerful, cold-blooded and taciturn King of Zhenbei, returning with great military exploits and his "new wife". Everyone said that she was infatuated and paid for the wrong thing, and he found a new love.
Until the war broke out again in the north, the undercurrent in the capital was surging. Among the piles of relics of the fallen, she discovered hundreds of blood-stained letters signed "Yan You" but never sent. The time span spanned five years, and the recipient of each letter was her. The last letter was stained with ink: "The enemy has entered the enemy's trap, and there are changes in the capital. You know what you mean, don't go back, and leave quickly!"
Only then did she realize that behind the thin red letter, there was a huge chess game that had already been laid. His "betrayal", his family's "accident", and his enemy's "coincidence" were all part of the game. And the man who entered the situation with his own body and shouldered all the infamy is heading towards the final killing array alone.
This time, with the truth in hand, will she turn around and leave with all his thoughts, or will she pick up the secret chess piece he left behind and rush to the "death farewell" appointment that has been written for her?
