War Of The Worlds - Season 2 -

The groups unite; they realize the invaders are actually their own future descendants.

Catherine finds Bill in London; Bill explains his plan to infect the alien race. War of the Worlds - Season 2

Resistance forms in London; Emily returns from the alien ship with strange visions. The groups unite; they realize the invaders are

Neuroscientist Bill Ward (Gabriel Byrne) develops a virus to target the invaders. He tests it on Emily Gresham (Daisy Edgar-Jones), discovering it is effective because she shares genetic material with them. The groups unite

The season begins six months after the initial attack. The survivors in London have formed a resistance, while the "aliens" are revealed to be humanoid in appearance.

Bill discovers the invaders look human; he considers using Emily to test his virus.