Ancient female general Qin Sang unexpectedly arrives in the modern era, becoming a girl of the same name who is troubled by her family situation. Facing unfair treatment, Qin Sang refuses to compromise and calmly accepts an engagement with the young master of the Si family. After marriage, Qin Sang guards those around her, calmly handles family storms, applies all her skills, and uses her wisdom to resolve one crisis after another. Meanwhile, the husband whom Qin Sang thought was simple and gentle actually hides another identity, holding immense commercial strength. Gentle and dependent on weekdays, calm and decisive when encountering trouble, he silently clears away obstacles for her. As a strong partnership, the two support each other. With layers of identities gradually unveiled, they hand in hand break through all difficulties and together head towards an ideal life.