Modern female CEO Shen Wei gets into a car accident on the day her company goes public, transmigrating into a humble maid in the Prince of Yan's mansion. Unwilling to be reduced to a slave at the mercy of others, she takes the initiative to become the Prince of Yan's concubine, treating the inner courtyard like a workplace and navigating survival with business acumen. Faced with the Princess Consort's harassment, the jealousy and framing of fellow women, and an endless stream of schemes and plots, Shen Wei reacts calmly, balancing her relationship with the Prince of Yan while strengthening herself for self-preservation. She supports her younger brother in seeking official honors, develops a dessert business to accumulate capital, and looks past romantic love. In the crisis-ridden mansion, without relying on obsessed attachment, she relies on wisdom to break through step by step, striving to fight for a prosperous life of her own.