Aisha, a doctor working in a refugee camp, is hit by a bullet and wakes up to find herself as Padma, the crown prince and queen of 400 years ago! Padma was the first female doctor and was called the "Angel of the Battlefield," but in actuality, she was executed in the middle of the war. The key to avoiding execution is to prevent the death of Edward, the crown prince, who is about to become ill in a year... Aisha is determined to use modern medical technology to save Edward, and to save Padma and the future of this country! Aisha is determined to do so, but it seems that there is a secret to his death that was not told in the historical facts...? 難民キャンプで働く医師・アイシャは、銃弾に倒れ──目が覚めると、400年前の王太子妃・パドマになっていた！ 初の女性医師であり「戦場の天使」と呼ばれたパドマだが、史実では戦乱のさなかに処刑されてしまう。 処刑を回避するカギは、１年後に迫る〈王太子エドワードの病死〉を防ぐこと── 現代の医療知識でエドワードを救い、パドマもこの国の未来も救ってみせる！　そう決意するアイシャだったが、どうやら彼の死には史実では語られなかった秘密がありそうで……？