After his father left the family, Klemens has taken over for him as the man of the house. His mother Kerstin and him live in tune with each other's more or less regular day-to-day routine. A close and intimate relationship. Used to his mother's outbreaks and meltdowns, Klemens has a hard time dealing with his feelings for the 16 year old Lisa. But Klemens sexual coming of age challenges how mother an son behave towards each other.