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. 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.
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