Following Ben's weekend hunting trip outside Juneau, his wife Maranda-a trauma survivor with multiple personalities-makes a discovery that looks like it will finally put their limping, less-than-a-year marriage out of its misery. But in the morning, when a cataclysmic blast throws the world into chaos, Ben and Maranda find themselves stuck in a car, heading north to Anchorage, on a seemingly hopeless quest to reunite with a missing family member...