When the daughter of the Erdona barony is forced to marry the infamous Duke Noel Felton, her loyal servant Grace McClean saves the day… by posing as the duke’s 99th bride-to-be! She’s doing her best to impress her fiancé by making him treats, rescuing a child, and even befriending the imperial princess! All seems well, until one day, Grace stumbles upon the duke’s journal and learns about his master plan... Will Grace survive her marriage? And what does the duke have in store for the empire?