She is an ordinary young woman from the twenty-first century. Because of an ancient painting, she transmigrates to Boji, a dynasty that never existed in history. Upon arriving in Boji, she is mistaken for an assassin and hunted down. But she looks exactly like the woman the Emperor of Boji loves, so he rescues her. She later falls in love with a prince of the court.
She eventually learns that the woman the Emperor of Boji loves was secretly sent by the Empress Dowager to marry into an enemy kingdom, where she ultimately died far from home. The grief-stricken Emperor rescued her for reasons of his own. Amid a clash of wits, she embarks on a diplomatic marriage, stirring the hearts of two emperors. What was her connection to the woman who died far from home? With the empire at stake and beauty a fatal temptation, who will win her heart in the end?