Doortje asks Kootje to come over for dinner so she won't have to spend her birthday alone. Unfortunately the date coincides with his yearly fishing trip to Texel.
Kootje and Doortje organize to raise funds for Lena's boxer boyfriend after he injures his head. The local women are pleased that Lena is finally settling down, until she decides to open a launderette that will compete with Doortje's.
Doortje persuades Kootje to rent his room upstairs to her niece Rosita, but soon the young girl's hippie friends are chasing off all his regular customers with their loud music.