Once she entered the palace, she stayed as a maid for ten years, until he became the emperor and... Her man. After becoming a concubine, being demoted, and then entering the palace again, she was still just a little palace maid, not even as good as his bed-warming maid. She clung to her love by his side, and her heart didn't hurt when she saw him doting on other women. Because, she told herself that the one she loved was not him, never had been! But at the end, he said to her: "I finally failed you, that promise I made..."