Lou, a teenage tomboy in a small Californian town, idolizes her single father. When he has a date over one night and she is cast out of the house, Lou wanders to the outer reaches of town and into a new era of teenage identity.
A couple and their young daughter fight to survive the breakout of the Simian Flu virus that has taken a heavy toll on the human population soon after the "Rise of the Planet of the Apes".