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?
Written by Sophie and last updated on feb 04, 2023.
PS: The following content contains spoilers!
PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!
Richard discovers new data on the global phenomenon. Catherine must take a risk to continue her research, but is she ready to do it? Meanwhile, a new revelation tests Martha's loyalty, and Zoe is forced to make an urgent sacrifice with the help of her newfound allies.
The episode was rated 7.25 from 105 votes.
Betrayed, Tom forges an unexpected alliance with Zoe. Confronted with the teenager, Bill must again answer for the consequences of his sacrifice. Zoe takes a drastic step to stop Adina's plan. From the alternate world, Catherine discovers that interstellar activity is badly affecting people. She sets out to find a solution, but is in serious danger.
The episode was rated 7.36 from 89 votes.
After saving humanity, Bill Ward finds himself locked up in prison. Bitter, he will take a close interest in a new subject: many people around the world are victims of mysterious visions, including MI5 agent Zoe. Meanwhile, the discovery of a black hole prompts Catherine to investigate this global phenomenon.
The episode was rated 7.44 from 146 votes.
Martha unwittingly unleashes a fatal gunfight resulting in severe damage. In the alternate world, Catherine and Sam arrive at their destination, but encounter some unforeseen events. Bill then tries to contact Catherine, but when he can't reach her, he turns to a drastic solution.
The episode was rated 7.59 from 63 votes.
Bill investigates more of Catherine's findings and thwarts the aliens' deadly plans, but the group finds themselves in danger once again. Meanwhile, a run-in with the aliens ends tragically. Catherine secretly hatches a plan against her captors, but will she abandon Sam?
The episode was rated 7.60 from 57 votes.
Astronauts Juliet Arquette and Richard Gallagher witness Catherine's theories in space as Adina plots revenge against humanity. Mourning over the death of her sister, Catherine decides to research the phenomenon with the help of Johannes. An unexpected encounter prompts Kariem to continue her investigation of global psychosis. Faced with the damage caused by Adina's latest attacks, Zoe decides to turn to Bill to thwart the alien's plans.
The episode was rated 7.64 from 129 votes.
