On the day of the wedding between Miss Liang Yizhen and Crown Prince Zhao Huai'an, the entire Liang family was slaughtered by the Crown Prince. Liang Yizhen's child, who was pregnant with the Crown Prince, was also aborted by Crown Prince's favored concubine Gu Chang'an. Liang's mother died by the Crown Prince's knife, and Liang Yizhen swore to avenge her parents. In order to seek revenge, Ran Yizhen was willing to go to the Crown Prince's Mansion and let the eldest son fall. Unexpectedly, the eldest son sold her to Qingle Fang and gave her a divorce letter. The Grand Prince Zhao Huaiyu's strategy was appropriate, not only deposing the position of Crown Prince Zhao Huai'an, but also giving Liang Yizhen a new identity - Gu Changge, and conferring upon him the title of Empress. The good times didn't last long. Zhao Huai'an rose up again and killed Zhao Huaiyu, proclaiming himself emperor. He also imprisoned Ran Yizhen, who had a strong belief in revenge. Ran Yizhen had to compromise with Zhao Huai'an and eventually poisoned him, daring to replace him