[Y/N] is a young noble lady living in a medieval style kingdom, whose father arranges for her to be married in order to seal some inheritance alliance. At first [Y/N] and her future husband hate each other, but slowly begin to fall in love against the backdrop of the political intrigues of court, as well as a plot to overthrow the king—and replace him with [Y/N], who was crowned queen for nine days before her execution.