The plot is frighteningly simple: a woman is haunted by a ghostly figure that only appears in darkness.
Horror maestro James Wan (Saw, The Conjuring) is continuing to build up his scary movie repertoire as producer of Lights Out, a big screen version of a YouTube short that terrified millions back in 2014.
Lights Out will be released 19 August.
Impressively, Sandberg also directs the film version also providing inspiration to aspiring filmmakers everywhere.