Using the "real and fake daughter" as a guide, he went against the routine and made the real daughter voluntarily give up her identity as a marquis. As the daughter of a merchant, the heroine relies on her prophetic dreams and business talents to start from the lowest level of cloth shop assistant in the capital where the powerful gather, and gradually disintegrates the power of the princes. Finally, she joins forces with the grassroots Prince Rui to overthrow the decadent family system.