IRENE, the vampire princess who is said to be the half of the pair to fulfill the prophecy, bound to marry a shaman prince as a form of truce with humans. With unexpected turn of events, her groom was assaulted the day before the wedding but a marriage should still take place, forcing the shamans to bring out their 'most powerful princess', Kang Seulgi. How would the two workout a marriage without any feelings for each other? And are they really able to fulfill the prophecy?