For the opening of the retirement home, Mother, Nel and Zus make cuttings to give to the new residents. Jaap is jealous of Van Den Berg. After all, Van Den Berg saved someone.
Nel, Zus, Jaap and Siem go out one night to the Oasebar to rock 'n roll again. The young Piet Bom, who sings the stars there, later turns out to be Jaap's new colleague.
Jaap believes he can master the noble art of magic in no time. But there is much more to it than that. Like a true Fred Kaps, Jaap demonstrates some tricks on the case.
The girls are collecting clothes for East Priest Aid. Harmsen really appreciates this help from the East, after all, isn't that where the greatest chess masters come from?
Nel receives a tent as a gift from her mother and immediately makes vacation plans with Zus. Jaap doesn't like it at all, until Harmsen turns out to be an avid wild camper.
New Year's Eve. Jaap and Siem are happy with their fireworks and invite the lonely Harmsen. When Siem finds a treasure map in Harmsen's Vondel book, the gentlemen decide to dig it up immediately.
Things are going badly with the bowling club, the coffers are almost empty and attendance is lousy. Of course this is due to the women, they don't let the men go out at night anymore. They decide to surprise the ladies.
Nel's birthday is in three days and Jaap already has a great present for her, a new dryer hood. This one still needs to be tested on Karel Van Dam. The result is amazing.
Jaap has to be examined, and after Siem's pen test, it turns out his reflexes aren't what they used to be after all. Jaap therefore goes to bed extra early.