As her friends and the police search for answers, Matt Barker begins to dream of trees and black skies and something drawing closer.

Through fragments of journals, blog posts and messages, a sinister, slender figure emerges and all divisions between fiction and delusion, between nightmare and reality, begin to fall.

The urban legend of the Slender Man has inspired short fiction, viral videos, and a feature film.

Gathered from online whispers, Matt's story reveals the true power of the internet's most terrifying creation.