Two warring kingdoms, one ruled by women and one by men, send a tormented prince to serve as a hostage in enemy territory, where a cruel princess makes his life unbearable. Years later he returns home and lures her into a trap that ends in her death, only for another soul to wake up in her body instead. Unaware of the truth, he seeks revenge but finds himself drawn to her completely different spirit, and together they must survive a deadly palace coup.