In 2037, a man and his daughter flee the ruins of suburban Dallas, driven by a radio broadcast from the Gulf Coast offering rescue for dozens of survivors. With no gasoline or ammunition, they rely on bicycles, simple weapons, and their wits as they race to the signal’s source. Every few hours, the number of survivors to be rescued shrinks in an updated broadcast. When they arrive in Galveston, the cause of the global apocalypse is revealed in a bloody and surprising conclusion.