Xiao Langyue, a once highly accomplished and powerful female marshal, was framed by treacherous officials because of her great achievements, deprived of her military power, forced to "retire" on the grounds of "frailty", and was "gifted" by the emperor to marry Pei Yanci, an inconspicuous, frail and sick editor of the Hanlin Academy. The whole capital laughed at her. Her former colleagues were not worthy of her, and even the Pei family looked down upon this evil warrior wife. Xiao Langyue originally wanted to curb her sharpness and protect her cheap husband for the rest of her life. However, the "stupid thief" assassinated her on her wedding night, the mother-in-law and sister-in-law made things difficult for her, and the "mistress" came to the door with old belongings to challenge her, all of which seemed strange. Relying on the reconnaissance and layout skills she had developed in the military, she discovered that these seemingly trivial matters actually pointed to an old case that could overturn the court - the unjust case that framed her back then.
What makes her even more frightened is that her husband Pei Yanci, who has no strength in his hands, can't take three steps without taking a breath, and always looks at her with innocent eyes, always seems to "coincidentally" appear next to her at the critical moment, handing her the deadliest knife in the most "pure and kind" way. She slapped her face gracefully, and he held the knife behind her back; she made plans to arrest people, but he "unintentionally" blocked all escape routes. The couple tacitly tested each other, and gradually became true allies while jointly solving the political suppression of their ex-boyfriend, the conspiracies of their mistress, and the strife within the family.
In the end, when all the clues pointed to the core of imperial power, Pei Yanci's true identity - the orphan of the former prince and the leader of the secret organization - was also revealed. He pretended to be innocent for many years, just for revenge. And Xiao Langyue's "retirement",