"New sheriff Bree Taggert is called to a shooting in a campground shuttered for the winter. But she arrives to find a perplexing crime. There is no shooter, no victim, and no blood. No one but Bree believes the sole witness, Alyssa, a homeless teenager who insists she saw her friend shot. Bree calls in former deputy Matt Flynn and his K-9 to track the killer and search for Alyssa's friend. They discover the battered corpse of a missing university...