The film tells of a camping trip that a couple decided to make but turn into a bad path. Now, that journey turns into a frightening ordeal when they stumble into a terrible crime scene that reveals an incredibly dangerous secret.
It works one's nerves over with skill, jumbling up its story's chronology in disorienting ways, and delivering a survivalist saga whose unnerving impact stems in large part from its refusal to shy away from the suddenness -- and ugliness -- of violence.
Familiarity isn't a stumbling block for Power. He has a good eye for breathtaking shots in the most literal way possible, blocking scenes to maximize their chance of snatching the air right out of your lungs.
Killing Ground makes a genuine and wholehearted effort to be something different, and to a certain extent succeeds, but with the rest of it being too much of more of the same it doesn't stand out quite as much as it hopes to.
One thing Power mostly gets right is that he spends enough time with both the predators and their victims, separately, so that you start to care for the latter even if you don't fully understand the motivations of the former.