Netflix's show Zero Day, starring Robert De Niro and Jesse Plemons, depicts a frightening possibility. What is a zero day and could it happen in real life?

Let's break down the explosive series finale of Netflix's "Zero Day," a cautionary tale about autocracy, misinformation and cyberterrorism.

The twists and turns kept on going until the season finale, and the bingeable nature of this series left people wanting for more. Unless something changes, no. Netflix is still calling Zero Day a “limited series,