Nan Yu was originally the enemy's deputy general, but for the sake of the country, he disguised himself, gained trust, and became Jiang Sheng's wife. After stealing the enemy's secrets, Nan Yu successfully slipped away. Jiang Sheng was in a very bad mood when he saw Mrs. Ruanrou becoming an enemy on the battlefield, so he was captured. Later, he received a secret message, which said, General, please bring back our future Majesty.
Concept: The general's beloved wife is actually an enemy spy