Watch Online Free HD Solarmovies. In his film, Rosa von Praunheim approaches the famous communist theater director Erwin Piscator by developing irreverent improvisations in the spirit of Piscator together with acting students from the Ernst Busch Academy of Dramatic Arts in East Berlin. Interspersed with this are statements by theater professor Peter Jung, which serve as a biographical guide and shed light on the background of Piscator's epic and total theater.