This interview contains spoilers from all six episodes of "Zero Day," now streaming on Netflix. Lizzy Caplan always knew that her character, Congresswoman and former First Daughter Alexandra Mullen, was behind the catastrophic cyberattack that incited the existential and moral panic that runs through "Zero Day.

Ripped out of the underbelly of modern America as much as the headline, the Robert De Niro-starring Zero Day will show it can happen here.