Stars: Gabriel Byrne, Léa Drucker, Ty Tennant, Bayo Gbadamosi, Paul Gorostidi
Series Plot: When astronomers detect a transmission from another galaxy, it is definitive proof of intelligent extra-terrestrial life. The world's population waits for further contact with bated breath. They do not have to wait long. Within days, mankind is all but wiped out by a devastating attack pockets of humanity are left in an eerily deserted world. As aliens hunt and kill those left alive, the survivors ask a burning question - who are these attackers and why are they hell-bent on our destruction?
Episode plot: With Adina's plan in motion, the world's last hope is for Bill to make one more journey, risking his own life in search of Catherine's help.