Pim is coming to stay during the weekend. Mien wants him to see the new aquarium. Hans & Lydie have both bought him a tiny life vest to wear on their boat. And Gert Jan asks Koos to pick up Pim at the train station.
Mien's father is coming to visit and have a thorough check-up at Dr. Lydie's insistence. But when he's put on a train by his other daughter Annie one day earlier than planned, he fails to arrive in Amsterdam.
After witnessing firemen in action at Jopie's auto repair, Koos considers joining the reserve fire fighters. Teuntje is upset because Gert Jan is spending too much time on the phone (arguing) with Pien. Hans & Lydie's blind friend Frits visits unexpectedly.
Gert Jan bumps into Map at a café. Jopie, with insurance money in hand, wants to start a new business together with Koos. Lydie has a little clothing mishap at the gas station on her way to a chic party.
Jopie & Koos are brainstorming about what kind of business they will go into. Lydie and Miep suggest that Gert Jan may join in with them. But when they see Map being photographed as a model they hit on it: video recording.
Hans bumps into Gert Jan's former flame Esther van Dam while ice skating and she forgets her scarf. Gert Jan refuses to bring it back and when Lydie finds Esther's phone number, she gets jealous nightmares.
Esther drops by the hospital to pick up her scarf from Hans, flirts with him and fails to take the item of clothing with her once more. Meanwhile, Map makes Gert Jan question his love for Teuntje for a moment.
Lydie finally goes round to Esther's to return the shawl and is hit upon by Esther's boyfriend Casper. Meanwhile at home a Dutch celebrity with a sore throat awaits her. Mien insists Koos gets a new suit for KoJo Video.
There is a reception to celebrate the working relationship between mother and son Van der Ploeg. Gert Jan worries because Pien has been invited and Hans joins him when Esther's name turns up on the guest list as well.