In the near future, the capital of Sweden has turned into a post-apocalyptic wasteland. we join four soldiers on a routine mission in 'zone 3', with the assignment to investigate an old surveillance tower that just went offline.

Following the death of her father, a 17-year-old girl is sent to live with her estranged family and finds comfort in a questionable friendship with a self-destructive neighbor, leading both on a startling path to self discovery.