The firmly rooted ethics of a very proper school "professor" are awfully tempted when his sister, the "black sheep" of the family, sends from her exile in Montevideo an offer for the oldest daughter, which is utterly immoral, thoroughly despicable, yet hard to refuse. Curt Goetz understood how to write comedy and how to play the parts to perfection. His film was the top hit of early post-war German cinema. The beautifully restored original version is added by an interview with Valerie von Martens, co-director, main actress and wife of Curt Goetz.