Mother Küsters' Trip to Heaven (1975)
Mother Küsters' Trip to Heaven is a 1975 German film written and directed by Rainer Werner Fassbinder. It stars Brigitte Mira, Ingrid Caven, Karlheinz Böhm and Margit Carstensen. The film was shot over 20 days between February and March 1975 in Frankfurt am Main.
More at Wikipedia.