From the author of the bestselling Til Death Do Us Part comes another gripping psychological thriller with a shocking twist.

Amy is a loving wife and mother, to her husband and two children, Michael and Bella. It's that dedication to her family that causes her to seek help for her teenage son when it becomes apparent he is going to fail his end of school exams. Enlisting the help of a professional tutor, Amy is certain that she is doing the best thing for her child. But when she discovers that there is more to this tutor than meets the eye, it is already too late. With the rest of her family enamoured, Amy is the only one who can see that there is something not quite right about her. As the tutor becomes more involved, Amy isn't just worried about her son and his exams anymore. She is worried for the survival of her entire family.