Russell Mardell 
Knock Knock Man 

Who is The Knock-Knock Man?A ghost, a killer, or simply a creepy urban legend?It is a question that haunts disgraced police officer, Ali Davenport, months after the devastating case that changedher life. Now, after the death of her former colleague, Ernie, Ali must uncover the truth about a past that won’t stay buried.Found in the disused office building where he worked, Ernie’s death seems to be an open-and-shut case. But not everyone is convinced. Wild stories abound about a supernatural presence that might have attacked Ernie that fateful night. Reluctantly, Ali agrees to take on Ernie’s night shifts to debunk the story; an easy enough job, if you don’t believe in ghosts. But then Ali meets Will, a teenage ghost hunter who claims to have evidence on film…As the mystery unfolds, Ali is forced to face the question of The Knock-Knock Man one last time. But what Ali doesn’t know is The Knock-Knock Man has already been watching her for a very long time…