"Piratensender Powerplay" is a German film that tells the story of a group of young people who run a pirate radio station in Hamburg. The station, called Powerplay, broadcasts music and political messages that challenge the mainstream media and government. The film follows the struggles of the group as they try to keep the station running while facing pressure from authorities and rival radio stations. As tensions rise, the group must decide how far they are willing to go to defend their right to free speech and expression.