"Get to the cabin." The words of Katrina's father echo in her mind. One sentence, her sole purpose. Her dad taught her to be prepared and they always had a bug out plan. If the world goes down the drain, get to the cabin... Katrina should have been alone but she couldn't leave her friends behind. The five teenagers escape from the fallout shelter and journey through the desert to get to the safe house in the mountains. Except they can't...