In one night, she changed from the eldest daughter of the general's mansion who was aloof and envied by everyone to the daughter of a criminal subject who was collaborating with the enemy and treason and spurned by everyone. In one night, he changed from the unfavored sixth prince to the aloof emperor She entered the palace as a concubine according to an imperial decree. Once she entered the palace, the gate was as deep as the sea, and what awaited her was framed one after another. And while she was seeing the tricks, she unexpectedly discovered that their general's mansion was collaborating with the enemy and treason secret...