When astrophysicists detect a transmission from another galaxy, it is definitive proof of intelligent extra-terrestrial life. The world's population waits for further contact with baited breath. They do not have to wait long. Within days, mankind is all but wiped out; just pockets of humanity are left in an eerily deserted world.

• Howard Overman
• H.G. Wells

• Daisy Edgar-Jones
• Gabriel Byrne
• Natasha Little