"It's hot in here,"Nicole Kidman's Gretchen Carlson observes during an extremely uncomfortable elevator ride with Megyn Kelly (Charlize Theron) and news producer Kayla Pospisil (Margot Robbie).

The first teaser for "Bombshell," the movie about the downfall of Fox News mogul Roger Ailes (John Lithgow), is here to turn up the heat.

The story follows the women who took on the Fox News mogul and the network's toxic male culture. Carlson sued Ailes for sexual harassment in 2016 and Kelly came forward with her allegations. Ailes ultimately stepped down as CEO.

"What started with a whisper, will end with a bombshell," reads flash cards that pop up during the teaser.

Jay Roach directs, with Malcolm McDowell, Allison Janney, Kate McKinnon, Mark Duplass also starring.

"Bombshell" opens in theaters December 20.