In the attic of a rural cabin, two teenagers are making out. As things get hot and heavy, the camera tracks them with a voyeuristic gaze. Suddenly the young couple spring apart, caught in the act by an unseen interloper. Then the knife comes out, delivering the classic slasher movie punishment for sex. A minute later, both kids are dead. Even if you haven’t seen it, this scene likely sounds familiar—as will the overall gist of Friday the 13th, which involves a group of summer camp counselors being picked off…
