When New York City subway cop Richard Corrigan saves the life of the state's governor, the undeclared presidential candidate decides to add him to a long-planned wilderness jaunt as a bit of good luck and good publicity. But strange things begin to happen as soon as they hit the wild. Small mishaps escalate into major disasters, and one by one, the members of the expedition die or disappear. If they don't fight back soon, there'll be no one left - but fight back against what? And against whom? It's up to Corrigan to find out, and the answer, when it comes, will be a shock. It may also be too late ...