After reincarnating into a novel she once read, Marin Schventz lives in poverty with her ailing mother. Though she’s only a background character, desperation pushes her to use her only advantage: her knowledge of the original plot. When she begins working at the castle of the blind Duke of the West—whose fate is set to end in tragedy—everything changes as he unexpectedly asks her to enter an engagement that may alter both their destinies.