Leo must save his Dad when cohabitation breaks down. Mathias decides to help when Jens reveals a sad secret, and Herman discovers a shocking news about his own family.

Herman, Jens and Leo go out hunting to show Mathias that they can kill an animal. At the same time, Mathias will convince the boys that he has become vegan. It turns out that the boys' projects are becoming more difficult than first thought.

Herman is shocked when he meets his father-in-law for the first time, because it turns out that Melissa has not told the whole truth about who her father is. At the same time, Mathias gets an existential crisis when Leo beat him in chess.

Leo resorts to extreme means when he finds out that his birthday party is in danger of being cancelled, and Mathias goes to war when he finds out that the boys' biggest nemesis is about to steal his date.