"Chernobyl" is a gripping historical drama that recounts the catastrophic events surrounding the 1986 Chernobyl nuclear disaster. The series follows the story of nuclear physicist Alexey Ananenko (played by Jared Harris), who, along with his colleague Vasily Ignatenko (played by Adam Nagaitis), attempts to mitigate the devastating consequences of the explosion at the Chernobyl Nuclear Power Plant.