Scenes from an East German marriage. A young couple, Sonya and Jens, are very much in love; they get married and have a child. When Sonya wants to go back to work after her maternity leave, they clash for the first time; Jens insists that she remain a full-time wife and mother. Until Death Do Us Part turns an actual police report into a gripping drama, as the director explores the depths of his characters' emotions, driving the conflict to a catastrophic climax.

Martina and Jürgen are lovers in the GDR. She is studying economics in Leipzig, he is preparing for his master's examination as a violin maker in Altneukirchen in Vogtland. While Martina deals with problems of modern science and technology in her thesis, Jürgen is committed to the traditions of instrument making. This leads to friction and strains the relationship. And when Martina meets her former childhood friend Peter Struck in Altneukirchen, the center of musical instrument making in the GDR, who works here as a physicist at the research institute, jealousy also comes into play.