The Hollows (2017)

Tiffany and Jay briefly seen having sex, he's shirtless, she's dressed, mostly filmed from their shoulders and up. Some sexual innuendo.

A person shot and killed. A person seen with a bloody back, skin peeling off. A person sliced with an axe, guts spill out. Implied a person repeatedly axed. A bloody dead body seen. Several people bitten on the neck, blood seen. More dead bodies seen.

About a dozen f-words, s-words a few d--n, b---h. Slang term for anatomy.

The five campers drink.

A person rolls a joint, then smokes it.

People are killed. A strange person seen in the woods.