<Tr> <Td> ← Previous "Playtest" </Td> <Td> Next → "San Junipero" </Td> </Tr> <Tr> <Td_colspan="2"> List of Black Mirror episodes </Td> </Tr> <P> "Shut Up and Dance" is the third episode of the third series of British science fiction anthology series Black Mirror . It was written by series creator and showrunner Charlie Brooker and William Bridges, and premiered on Netflix on 21 October 2016, together with the rest of series three . </P> <P> The episode tells the story of a teenage boy (Alex Lawther) who is blackmailed into committing bizarre and criminal acts by a mysterious hacker possessing a video of him masturbating . The boy is joined by a middle - aged man (Jerome Flynn), whom the same hacker is blackmailing over infidelity . </P>

Who was the hacker in shut up and dance