Elara is a skilled thief coerced by the King of Oakhaven to impersonate his missing daughter, Princess Vesper. Tasked with spying on the royal family to prevent an impending war, she travels to the rival kingdom of Solis to marry Prince Kaelen. As she navigates a court filled with deception and magic, Elara must maintain her facade while uncovering the truth about the missing princess and her own mysterious origins.