Petite but agile eighty-two-year-old Maria Schmidleitner is going to spend some time on a houseboat in rural Brandenburg with her obese son Peter (63). As they are in the car on the motorway on their way to the boat Peter insists on picking up a young hitchhiker against his mother’s wishes, but when the young man only exacerbates the perennial mother-and-son conflict he is quic...