Qiu Yun, a steward from an ancient marquis's household, unexpectedly travels through time and becomes a maid in a powerful modern family. Drawing on a thousand years of wisdom in dealing with people, she protects the bullied legitimate young daughter, awakens the timid matriarch, and outsmarts the many schemes within the family. At the birthday banquet, she cleverly resolves a crisis after a folding screen is destroyed and amazes everyone with her traditional tea-whisking skills. When a scandalous rumor threatens the family patriarch, she steps in at a critical moment to uncover the truth. Along the way, she repeatedly clashes with Pei Cizhou, who appears to be a spoiled playboy. After navigating one predicament after another, she ultimately begins a brand-new life in the modern world.