The Raspberry Reich (2004)

Inspired by the Baader-Meinhof gang, a film about modern left Germans adopting the culture of extreme left-wing movements of the 1970s. East German dominatrix Gudrun leads a revolutionary gang of her own in Berlin. She has her men kidnap the son of a rich businessman in order to gain publicity. Claiming that heterosexuality is a social norm created to keep the people down, she forces her male minions to have sex with each other.