Starvecrow (2016)

Documentary-style British thriller. The film follows Jess (Ashlie Walker) who, after deciding she needs some space from her boyfriend Ben (Ben Willens), heads for a wild weekend in the woods with her friends, who are constantly recording every moment of their lives on their phones. But underneath the group's fun exterior lurks a darker, sinister side that occasionally reveals itself and threatens to consume them at any moment.