In a future society, a young man named Darwin lives, like everyone else; in a small cement module with little more than a computer. One night, during a violent storm, lightning hits Darwin’s module and knocks out his computer, forcing him to venture outside. He is surprised to come across a beautiful young woman, living with her family in the woods, who teach him how to speak and show him the value of human contact. Meanwhile, the security forces have sent drones to search for and recapture him.
When Heather and Sarah Ann were growing up they told each other every secret. But Heather left their small town on the last day of high school vowing never to return. Forced to come back when her father becomes ill, the young documentary filmmaker is pressured into filming Sarah Ann's wedding video. Heather is convinced that the edgy filmmaker and bubbly pink-wearing bride have nothing in common, but as the big day approaches she finds that no one is quite what they seem – especially the old friend she thought she knew better than anyone.
Forced underground by the next ice age, a struggling outpost of survivors must fight to preserve humanity against a threat even more savage than nature.
