While Madison struggles to keep Nick from crippling withdrawal, Travis ventures out to find his son before the city of Los Angeles falls.

After escaping a violent riot, Travis, Liza and Chris seek refuge with the Salazar family. Meanwhile Madison defends her home.

Madison and Travis witness different sides of the National Guard's occupation of their neighbourhood as the family tries to adapt to the new world.

The National Guard's plan for the neighbourhood and its residents is revealed, forcing Travis and Madison to make a difficult decision.