Lucy survives the first wave of blasts and takes shelter in the basement of a public underground until the food supply runs out.
Kate learns of the economic shutdown as talk of war becomes a familiar reality.
With food running out and water contaminated, Lucy struggles to find a way out of the city as local militia hunts for survivors.
The surviving militia rounds up survivors from the subway shelters as Lucy escapes the city.
Lucy returns home to find her daughter Emily still in the family house as Bill is taken back to a Protocol Station for processing.
With all food supplies now contaminated or destroyed, the remaining survivors head towards the mountains in search of clean water. Lucy is taken by a Protocol Squad as Trivi emerges through unauthorised radio broadcasts.
An outbreak of typhoid decimates the camp while Lucy escapes with Bill to the mountains.
News of hope emerges through the mystery radio broadcasts as Lucy finds clean water supplies for her voyage home.
Bill finds an airstrip and flies back to New Zealand while Lucy returns home to find an awful truth.