| Â |
|
 |
|
 |
|
|
|
Catherine finds Bill in London; Bill explains his plan to infect the alien race.
In the finale, Bill uses a time-travel formula to go back to the day of the first contact. He kills Emily in the past to prevent the existence of the future human-invaders, successfully undoing the invasion and all deaths across both seasons. Episode Guide Key Events 1
The second season of the (2019 TV series) significantly shifts from a standard alien invasion to a high-stakes sci-fi thriller involving time travel and genetic evolution. Plot Overview & Key Developments War of the Worlds - Season 2
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.
Bill discovers the invaders look human; he considers using Emily to test his virus. Catherine finds Bill in London; Bill explains his
Bill injects Emily with the virus; she falls ill, forcing a dangerous mission for insulin.
Resistance forms in London; Emily returns from the alien ship with strange visions. Episode Guide Key Events 1 The second season
The groups unite; they realize the invaders are actually their own future descendants.
