After a difficult mission, Marie Anne de Vilmanne, a 17-year-old Lady of the Order of the White Tower is told to return home to her castle, of which she has no memories, and relax.However, on her journey there, she discovers a plot against her, one which involves the theft of her land, and her assassination. And this plot also affects her Order of Chivalry.Discovering traitors in the ranks of her guards and servants, she needs all her intelligence and skill to survive.