Benedict Cumberbatch stars in this political drama centred on the 2016 referendum in which the British public voted to leave the European Union. Focusing on the campaign group Vote Leave and its director Dominic Cummings (Cumberbatch), the drama chronicles events leading up to the vote and goes behind the scenes of the group's activities, including its research methods, controversial digital campaigning and how they devised their key messages to convince the British public to leave the European Union. The cast also includes Rory Kinnear, John Heffernan, Liz White and Richard Goulding.