Since there are several popular series with this title, here are blog-style recaps for the two most likely matches for "S2E12 Pt. 1": and the 2019 Howard Overman series .
Bill Ward is forced to flee after his plan to use a biological weapon against the invaders makes him a target. We see the moral weight of his actions as he deals with the consequences of infecting Emily with a virus designed to kill the aliens. [S2E12] War of the Worlds: Pt. 1
Catherine, Sophia, and Nathan continue their dangerous trek toward London, accompanied by a new survivor named Victor. Since there are several popular series with this