En 1943, Charles Bailly, prisonnier de guerre français, décide de s'évader et de retourner en France. Il ne trouve comme stratagème qu'une vache, Marguerite, et un seau de lait pour traverser l'Allemagne de part en part. Après une première tentative manquée, il s'évade une nouvelle fois, mais Marguerite se perd dans un troupeau de vaches...

After the death of the owner of the house Lina Braake is living in, the house is accrued to the bank. During the complete refurbishment of the building, the 81-year old woman is thrown out of her flat and is put in an old people′s home. There she meets 84-year old Gustaf. Together, the lively seniors come up with a plan to trick the bank with a smart credit fraud and take their revenge. They need the money to buy a country house on Sardinia and leave Germany for good. Although their coup proves to be successful, the bank soon finds Lina. But due to her old age she cannot be tried anymore.