Kate Pearson is just coming to terms with the unsolved murder of her daughter Melanie when a sinister message appears on her computer screen:
Why did you let him hurt me, mummy?
As the messages escalate in number and menace Kate realizes there is only one person who could be doing this to her - Melanie's murderer. He is intent on destroying her completely.
But Kate has already lost the one thing that gave her life meaning. So instead she will turn his evil back on itself and unmask the killer . . .
