In the twenty-sixth year of the Republic of China, He Xiaoxiaonv, the last descendant of the Maoshan sect, disguised herself as a man, infiltrated the military command under the name of "Congratulations", and became a secret pawn in the spy war. She is proficient in the secrets of Feng Shui, can use a compass to find dragons' acupoints, and can even use Qimen Dunjia to form formations to defeat enemies.
However, she did not expect that her biggest opponent would be the cold-faced and cold-hearted Japanese spy chief - Shen Shiyan. He is ruthless and thoughtful, and every confrontation puts her in danger. But he always came to her rescue in unexpected ways at the most dangerous moments.
They were enemies, but they gradually fell into temptation. When national hatred and personal love collide fiercely, when lies are hard to distinguish from sincerity - He Xiaoxiao discovers that Shen Shiyan hides a shocking secret, and she herself is no longer the girl who only wanted revenge.
Double-sided life, abyss of sadomasochism. When the truth is revealed, can they still hold each other's hands in troubled times?
