"I am The Witness. I am watching you all."
When Jessica's husband is arrested for fraud, her family's future is thrown into jeopardy. Then the letter arrives. At first it seems like a sick joke - someone called The Witness claims to be watching Jessica and her children through the windows of their home.
But as more unhinged letters and disturbing events follow, it's clear that The Witness is real and means to do them harm. Yet is everything as it seems?
Private eye Emily Swanson is hired to debunk Jessica's claims. It's the kind of case that could boost her career, but as Emily draws closer to the vulnerable family, she soon finds her loyalty questioned...and her life in grave danger.
Now Emily must race to uncover the identity of The Witness before Jessica and her children pay a fatal price...