Kate Garrett, who is reeling from a personal tragedy and spends her days boarding and training horses at Echo Valley Farm, twenty-two secluded, picturesque acres in Southeastern Pennsylvania. Late one night, her wayward daughter, Claire, arrives at her doorstep, frightened, trembling, and covered in someone else’s blood. From that simple premise, Echo Valley becomes a heart-pounding thriller about just how far a mother will go to save her child.