Before Thomas was murdered, the aloof Patriarch Henry Becker insisted that his son get his alcohol addiction under control.
Rumors circulated in public that Thomas was unable to bear responsibility for temporarily representing his father in the construction of the "residential cube".
Thomas bows to his father's wish and seeks help from Alcoholics Anonymous without his wife Marianne's knowledge. There he meets the mysterious Karoline and falls in love with her. A love story begins that not only further shakes the family balance, but also puts a lot of strain on Karoline's son Jimmy.