The concubine's daughter of the Marquis's estate is mistakenly favored by the cold and stern Marquis who holds supreme power in the court, receiving all kinds of deep affection and pampering. However, seeing through the heavy turmoils within the deep courtyard of the Marquis's estate, she is unwilling to be trapped in the inner chambers. With her heart set solely on saving up enough wealth to escape the Marquis's estate and live a free and carefree life, the heroine devises plans and plots to escape by every possible means, yet she is repeatedly seen through and intercepted by the deep-minded Marquis. Amidst their chasing and pulling, joy and misunderstandings intertwine. Facing the internal disputes and schemes within the Marquis's estate, they are forced to join hands to resolve the crises, and in each confrontation, their two hearts slowly draw closer to each other.