True Demon.

Anna and Jess have been looking forward to going camping together. But their fun trip is cut short when Jess suddenly disappears under mysterious and seemingly supernatural circumstances. Now, Anna resolves to search for Jess and enlists her friends Lukas and Ben to join her. Equipped with cameras, they document and post their journey online for everyone to witness, as it leads them to find brutal creatures and a wide-ranging conspiracy. With each step down this sinister path, Anna discovers ever more of her own dark past… but that is only the start: This nightmare is getting way too real!