It takes just one tragic moment for Jenny's life to change forever.

Taken to live at Oak Hall Children's Centre, Jenny begins a very different life, confined to a wheelchair and dreaming of an earlier time filled with love, family and friends.

Then Helen and John Holland offer her a foster home with their adorable 5-year-old son, Stephen.

The model of a perfect family, Jenny dares to hope that she will at last find some happiness.

But when she discovers an old diary beneath a floorboard in her new bedroom, she begins to unravel a horrifying secret.

A secret that lies within the padlocked cellar under the house.

A secret with mind-blowing consequences. And suddenly Jenny's perfect new life has turned into a deadly nightmare - in which right and wrong no longer exist...