Shen Zhiwei, a concubine who was regarded as unlucky by her family, was forced to marry the rumored cruel and disabled marquis on behalf of her eldest sister. With her unforgettable intelligence and strategy, she managed step by step in the crisis-ridden Hou Mansion, growing from a downtrodden stand-in to a behind-the-scenes counselor in charge of power. When she discovers that the secret of her disabled husband is closely related to her true life experience, a storm about family, power and sincerity suddenly descends.