Su Wanqing became a concubine of the Lu family due to a family marriage, and was suppressed by his head-wife Wang in every possible way. She endured the humiliation and secretly studied family affairs, and discovered that the Wang family colluded with outsiders to seize the family property. With the secret help of Lu Zixuan, she gradually participated in family management, rectified the business, exposed the conspiracy, experienced many family fights and power struggles, and finally became the real mistress of the Lu family. She fell in love with Lu Zixuan and led the family to prosperity.
