The film features strong language ('f**k') and uses of 'prick', 'shit', 'asshole', 'son of a bitch', 'bloody' and 'hell'.  
Men and women are chased and attacked by fast-moving, blood-covered rabid beings infected by a virus. In one scene there is brief focus on zombies extracting a man's internal organs as he screams.
There is strong violence when a man uses a blade to defend himself against zombies, with sight of blood spurts as he slashes them. Men and women are shot with focus on bloody detail.
There is a verbal reference to a man possessing 'weed'.