Dora invites Kootje to a birthday party for two. Unfortunately the date coincides with his fishing trip to Texel.

Lena worries when her boxer boyfriend is injured, leading the men to take up a collection while the women urge her to move to the Bijlmermeer.

Dora convinces Kootje to rent his room upstairs to her niece Rosita, but he soon takes offense to the young girl's hippie friends and tries to resolve matters between Dora and her brother Nico.

Lena's brother Willem returns from the sea and immediately hits it off with Door, inspiring jealous feelings from Kootje.

Kootje gets worked up when he learns the parents of his daughter's boyfriend think she's not good enough for their boy. To add to his discomfort, he finds out she's appearing in 'Hair'. Meanwhile, the café is having a Spanish night for a group of foreign laborers.

To scare off a potential buyer of the café, Lukas comes up with a plan to pretend 't Schaep is a hang out for drunks, loose women and low lives.

While Kootje is bedridden because of a bad back, Lukas is looking for a place of his own. Door's brother might have something for him.

Lukas learns that the city council plans to tear down the neighborhood in favor of a large flat. The locals immediately plan a protest night full of theater and songs. When it turns out his source is less than reliable, Lukas starts to worry.

It is the early seventies. Kootje has sold his café and has started a camping site called 'T Vrije Schaep. All his regulars are on hand to spend the summer there, except for Door who is managing a small hotel in Spain.

Arie thinks he spotted Lena working as a prostitute in Amsterdam. Riek immediately wonders what her husband Arie was doing in the red light district. It turns out Lena was house-sitting for her friend Dolly, who soon moves into one of the spare caravans to set up shop. Meanwhile Huipie has mistakenly given a couple of German tourists permission to walk around in the nude.

On the eve of Riek & Arie's 25th wedding anniversary, Riek finds a love letter in their camper and throws Arie out.

Opoe Withof can smell trouble in the air when her daughter Jacqueline arrives unexpectedly. Indeed, Jacqueline is trying to interest her mother in moving to a home for old age pensioners. For her part, Doortje is shocked to learn that Jacqueline used to have something with Kootje.

Jjon, a man alone, is at the campsite to recover from his work on an oil rig. The ladies are very impressed by him, but Sjon turns out to have a crush on Lukas. With the songs: Dokter Bernhard Ik weet niet hoe Zing, vecht, huil, bid, lach werk en bewonder

The camping has been flooded by German tourists and Kootje is doing his utmost to make them feel welcome because he is being evaluated. One of the tourists is Doortje's first boyfriend from 30 years ago. However she is disappointed to find him bald and wheelchair ridden. Lena is pointed towards a smoothie called Peter whom they suspect of being the one to evaluate the camping.

In two days Kootje will have a birthday, which he's been refusing to celebrate for years. So, Door invites Kootje's daughter Eli, primarily to find out more about Kootje's late wife. Lucas is pining for Sjon, so Lena asks her boyfriend Peter to write a romantic letter in Sjon's name.

Camping season is at an end and all the vacationers have gone home. Lucas gets a letter from Sjon, who invites him to join him in his new Spanish café. Lena misses Peter, but never having caught his surname, doesn't know how to contact him. Riek and Trees get into an argument over who is the rightful owner of a garden gnome.