Bernd and Martina Seidel (Wolfgang Greese / Karin Ugowski) are proud owners of a home. Her two children Anja (Astrid Krenz) and Thomas (Jörg Hengstler) have grown up in the meantime and they live a harmonious family life. But then the hopeful children come up with surprises: Thomas wants to marry the already divorced Sabine (Michéle Marian), who also brings two children into the marriage. Daughter Anja also has news. A child is expecting you. And the question arises, what must he be like now, the perfect son-in-law?