Bird, 12, has to become a woman whether she wants to or not when - in the worst week of her life - she gets her first period, is ditched by her impulsive, free spirited mom, and learns that you can never really go back to The Valley.
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.