Twenty-two-year-old Lily Reynolds hides a terrible secret that threatens to escape when she reluctantly accepts a babysitting job for unhappily married Tom and Samantha Thompson at their home, Grosvenor Grange. Echoes of Lily's past seep out as she steps into the haunted house and becomes possessed by horrifying personalities. We watch her struggle to protect the baby in her charge from an ever increasing danger, but is it real or imaginary?