The abandoned concubine in the cold palace returns with a mysterious case and uncovers a shocking conspiracy in the whirlpool of palace fighting. When everyone thought she was a chess piece, she had already laid out the chess plan - the former abandoned concubine and the emperor went from testing each other to joining forces to break the chess game, struggling between machinations and true love. Old cases from the previous dynasty are intertwined with the secrets of the harem, and every crisis contains clues from three years ago. From being an abandoned wife in the cold palace to taking charge of the Phoenix Seal, she not only wants to win the emperor's heart, but also overturns the family case, and finally reveals the palace secrets that even the emperor is afraid of.
