The Circus ventures behind the scenes in Washington and beyond, exploring the shifting power dynamics on Capitol Hill as Democrats take control of the House of Representatives, along with covering the escalating drama around President Donald Trump's White House as it grapples with mounting legal entanglements and continued scrutiny from Special Counsel Robert Mueller. With the 2020 presidential race already taking shape, the series also follows the burgeoning field of Trump challengers as they make their initial forays on the campaign trail.