Mistaken Prison: Phoenix Crosses the Cold Pool

Before her wedding to Crown Prince Li Wenyu of Dongyu, Liu Qinghui learns he loves his step-sister and only married her to free the imprisoned girl. Li Wenyu mistakenly took his savior for his step-sister. Liu Qinghui faked her death to marry into the Northern Desert, where she fell in love with Crown Prince Guan Qinghe. Li Wenyu used schemes to frame Guan Qinghe to win her back. In the end, Liu Qinghui escaped death but lost her memory, and she lived in seclusion with Guan Qinghe in the mountains, raising their children.