To Sophie Michaelson, life was perfect. A popular girl, head of the athletic team, co-president of the drama club and to top it off, the daughter of Hollywood legend, Nathan. M. She was a bright student-always topping her class, cinched for a scholarship. Her life was planned out. All she had to do was fasten her seatbelt! But sometimes, fate has plans of its own... The night of her high school graduation, Sophie is plunged into a world of horror, with no memory of who she is. Two and a half years later, Sophie returns to a family who have come to realize that her time away was far more terrifying than what they could ever have imagined. Undeniable takes you on a journey of love, sacrifice, acceptance and friendship. Traumatic pasts are unleashed, hidden secrets find their way to the surface and forgotten love in rekindled.