West German provinces in the 1980s: In one family, a single topic dominates daily life: the weight of the mother, Cornelia (Rosalie Thomass). The beautiful, headstrong, and unpredictable woman is considered too fat, at least in the eyes of her husband, Werner (Golo Euler), who is convinced that her weight is the reason for all his failures: the lack of promotions, the denied social advancement, the lack of respect in the village. Day after day, the mother has to endure his increasing obsession and accusations. Based on the bestselling novel of the same name by Daniela Dröscher.

