After an emergency police call from a lake house on Wisconsin's Lake Mondac, Deputy Brynn drives up to the deserted lake in search of answers. There, Brynn uncovers not only a gruesome murder, but a terrified witness to the murder, city-girl Michelle. And thus, a heart-pounding chase through the Wisconsin wilderness commences as the murderers pursue Brynn and Michelle, who must learn to trust each other if they want to survive.