Arbor Demon (2016) on Netflix

Plot summary

Dana is keeping a secret from her husband, Sean, and she wants the two of them to reconnect. She insists on a camping trip together in a remote wood. A group of hunters nearby is attacked by a mysterious creature, cutting the trip short. Dana and Sean take cover inside their tent. When an injured hunter reaches them, they help him, and the three of them plan how they might get out. Something supernatural may be hidden in the forest, or they may only be imagining it. They must determine whether the danger is inside their enclosure or outside it.