In the 16th century, the noble lady Hwang Jin-yi (Song Hye-kyo) was beautiful, young and knowledgeable. Her childhood friend and servant "Nu" (Yoo Ji-tae) loved Jin-yi deeply, but his humble status made him betray the secret of Jin-yi's life. After learning the secret of her birth, Hwang Jin-yi took off the noble lady's gorgeous clothes. After Jin-yi took "Nu" as her first man, she walked into the red-light alley "Qingqiaofang", and he left alone. From then on, Hwang Jin-yi became the prostitute Mingyue. Anyone with money could embrace her, but no one was not conquered by her intelligence and beauty. The famous prostitute Mingyue became the object of admiration and longing for men, whether nobles or low-class people... Later, "Nu" appeared again. What choice did Hwang Jin-yi need to make?