Shen Zhao, the daughter of a military general family, endured two years in the general's mansion to protect her exiled father and brother, yet she could never gain the trust of her husband Chu Mu. Through an accident, the two swap bodies. She puts on court robes, fights for military provisions for the soldiers, rescues her clansmen, and seeks a breakthrough in her family's false charge; he is trapped in the inner courtyard, experiencing firsthand the cold treatment and frame-ups, only to discover that the family affection and righteousness in his eyes hold another truth. Facing the strife within the mansion and the undercurrents at court, Shen Zhao resolves to fight for justice for herself and her family, and Chu Mu begins to re-examine this marriage.