What if your child's imaginary friend wasn't actually imaginary, but a malevolent shapeshifting entity from another world? Your hear your daughter talking in her room to someone who isn't there, but what happens when you hear someone answer back? Tonight's eyewitness encounter comes from a woman who was once that child. What started out as a voice in the darkness turned out to be something sinister from beyond our world which plagued her life for years to come.......