Rex Gildo’s songs and musicals made him very popular. His best-known song was “Fiesta Mexicana” from 1972. Rosa von Praunheim tells the story of his life in the context of the gay pride movement, the normative pressures of the Schlager music industry, and the profound changes currently underway.

Two families attempt a daredevil plan to escape the GDR with a homemade hot air balloon, but it crashes just before the border. The Stasi finds traces of this attempt to escape and immediately starts investigations, while the two families are forced to build a new escape balloon. With each passing day the Stasi is closer on their heels – a nerve-wracking race against time begins.

Leo, an advertising executive in his mid-30s, falls in love with Alex who's just gotten out of a long-term relationship. While Alex doesn't quite know how to react to Leo's advances, Leo's facing trouble with Alex's oddball clique.