After a life filled with violence and heartache, the great Empress Martina is reincarnated as Astina, the brilliant daughter of a lowly count. Nonetheless, her serene existence is disrupted when her father's bankruptcy leads to her marriage to the perilous Archduke Atalenta, known to high society as "Terriod the Beast" due to a family curse that transformed him into a ferocious monster. Fortuitously, even the dangerous beast of Atalenta is no match for the former empress's formidable swordsmanship. Astonishingly, the newly-appointed archduchess effortlessly tames her husband and assumes control over the family. Astina is taken aback, however, when a nonchalant smooch transforms Terriod back into his mortal form, resembling her previous lover, with no recollection of their past together during his lupine days. Despite these uncomfortable circumstances, can the newly-crowned authority figures harmonize to govern the archduchy?