An alien attack all but wiped out mankind, with just a handful of humans fighting to survive. And no one felt more rocked by the invasion than Emily, who discovered she may have her own strange personal connection to the aliens.

Season two sees our characters left reeling by the possibility that the invaders could be human. A tense fight to take back the planet awaits them. For some, the sheer desperation to survive will lead them to contemplate sacrificing one of their own...

Season three picks up as the war between the survivors and aliens reaches a new turning point and a terrifying phenomenon grips countless people across the globe. With stakes at an all-time high, one survivor sets out to investigate, forming a tentative partnership with another unlikely hero along the way. The pair will need to use every resource they have available to face an opposition more dangerous than ever in their fight, once again, for the survival of all humanity.