Running time: 91 mins. Starring: Kelly Reilly, Michael Fassbender, Jack O’Connell, James Burrows, Jumayn Hunter, Finn Atkins, Thomas Gill, Thomas Turgoose. Director: James Watkins.

Steve (Fassbender) and his girlfriend Jenny (Reilly) head for a romantic weekend in the country.

They go to a secluded lake to sunbathe but the peace is shattered by 16-year-old bully Brett (O’Connell) and his sniggering posse.

Tensions escalate and a fight breaks out resulting in the accidental death of Brett’s Rottweiler.

Steve and Jenny flee into woodland and Brett and his posse give chase, determined to exact bloody revenge.