发生在后宫美室掌握宫中大权，真平王和夫人生下的双胞胎女儿，对于王室来说双胞胎属于不吉利，真平王被逼无奈只好将次女德曼送走，却遭到美室暗中的追杀，生死攸关之际被花郎传奇人物文努使用计策就出，将德曼送给真平王的侍女昭火抚养，昭火带着德曼到中国沙漠地区开一家小旅馆生活。然而美室以相貌出众为武器得到皇上的宠爱，掌握后宫至高无上的权利，利用真平王双胞胎女儿性命威胁真平王，达到掌握王权最终的目的，但是文努和昭火将德曼救走，打乱计划。美室并没有放弃王位的争夺，一直暗中策划，视双胞胎姐姐天明公主为眼中钉，最后德曼在众人的帮助下回到宫中，开始打败美室，掌握真正的权利，众人帮助德曼公主实现远大的梦想，成为德曼公主的追随者，建立德曼公主自己的势力

Happened in the harem Mishi holds the power in the palace. King Shinpei and his wife gave birth to twin daughters. Twins are unlucky for the royal family. Forced to have no choice but to send away his second daughter Deman, she was secretly hunted down by Mishi. When life and death were at stake, the legendary Hwarang Wennu used a trick to send Deman to King Shinpei's maid Zhao Huo to raise him. He took Deman to live in a small hotel in the desert area of China. However, Meishi used her outstanding appearance as a weapon to win the favor of the emperor, control the supreme power of the harem, and use the lives of King Zhenping's twin daughters to threaten King Zhenping to achieve the ultimate goal of controlling the king. However, Wennu and Zhaohuo rescued Deman and disrupted plan. Mishi did not give up the struggle for the throne, and has been secretly planning, seeing her twin sister, Princess Tianming, as a thorn in her side. Finally, Deman returned to the palace with the help of everyone, and began to defeat Mishi and seize the real power. Dream big, become a follower of Princess Deman, and establish Princess Deman's own power