- Season 2 - War Of The Worlds

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.

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

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 Neuroscientist Bill Ward (Gabriel Byrne) develops a virus

Bill travels back in time, resets the timeline by killing Emily, and is arrested for murder in the "new" reality. Season 2 – War of the Worlds - Rotten Tomatoes The second season of the (2019 TV series)

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

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