When the medical girl Qing He was taken in by Helianzhuo, she hid a deadly secret - she was an undercover agent sent by the enemy.
She wanted to steal the military plane and destroy him, but she faltered in his arms to protect her people and fell into the sound of his lonely piano. When the final mission came, she struggled painfully between love and hatred, and handed over a defense plan that was difficult to distinguish between true and false.
He had already understood everything, took advantage of the situation, closed the net calmly, and treated her as an undercover agent. On the snowy night when the truth tore her apart, she lost everything and left with a despairing heart.
Two years later, the banquet reunited. She has become an indifferent doctor, but in her distant eyes, he sees clearly his own heart that has long since fallen. And this reunion will set off a new storm...
Keywords: undercover heroine, two-way calculation, extreme love and hate, grassland conspiracy, sadomasochism reversal
