In a world prone to violent flooding, Britain, ravaged 20 years earlier by a deadly virus, has been largely cut off from the rest of the world.
At first he\'s a welcome addi.
But When a stranger called Aashay Kent arrives, everything changes.
She\'s safe, happy enough.
For 22-year-old Roza Polanski, life with her family in their isolated tower block is relatively comfortable.
Children, the only hope for the future, are a rare commodity.
Survivors are few and far between, most of them infertile.
In a world prone to violent flooding, Britain, ravaged 20 years earlier by a deadly virus, has been largely cut off from the rest of the world