Yeoreum, a girl prone to superstition, stumbles upon an online guide to transporting to another world, and... it works! Only thing is, after twelve hours, she's transported back to reality. In this other world, her name is Margaret, and she's punished for humiliating the duke and forced to work as a farmer. Fortunately, she discovers through her afternoon escapes from reality that farming is her true dream. She then meets Noel the Warrior, Rikerta Empire's hero, and agrees to a fake engagement with him, unaware that he's her classmate, Han Doyun. Meanwhile, Lady Emma attempts to sabotage Margaret's life due to her infatuation with Noel, and Duke Charlotte plots to bring the warrior down. Will Yeoreum's simple farming life survive in this drama-filled world?