The alien's connection to certain survivors raises difficult questions. Bill makes a startling discovery. Sacha's behaviour is increasingly erratic. And Tom's birthday proves cause for celebration. But at what cost?
When astronomers detect a transmission from another galaxy, it is definitive proof of intelligent extra-terrestrial life. Earth's population waits for further contact with bated breath, but does not have to wait long. Within days, mankind is all but wiped out, with just pockets of humanity are left in an eerily deserted world. As alien ships appear in the sky, the survivors ask a burning question - who are these attackers and why are they hell-bent on our destruction?