Father Scherzer generally buries himself in the books of the castle library, which he is responsible for managing. He is a warm-hearted but somewhat overwhelmed father to his five daughters, ranging from a preschooler to two teenage girls to a successful press photographer who flirts with a dashing dentist. While he is trying to sell the castle to an overbearing American millionaire, the housekeeper quits, and the youth welfare office insists on discipline and order in the five-girl household.

Postwoman Christel is engaged to detective Horst. When the dashing star trumpeter Mecky arrives in town, her love begins to waver. Christel must make a decision at the big postal parade.

Dolores leads her parents to believe she is an ambitious nurse. But in secret, she pursues her passion for dance. Night after night, she performs at Auguste Link’s club, “Pigalle.” When the star of the revue tears up his contract, Dolores sees her big chance. But Mother Martens throws a wrench in the works. She visits Dolores’s supposed boss, the psychiatrist Dr. Lorenz.

Four respectable men in Daxburg once footed child support for the same mysterious dancer. Twenty years later, the opening of a new local court threatens to expose their secret and a string of anonymous donations from that dancer. As scandal nears, they must discreetly resolve the legacy to protect their reputations.

To supplement their pension, the eccentric couple August and Ida Bodendiek rent a room to young Klaus. His father wants to remarry, so Klaus moved out of his parents’ house and now works the night shift as a truck driver. This gives the Bodendieks the opportunity to double their income: at night, they rent the room to Lisa Franzen, who works as a secretary during the day. When Klaus loses his job, he inevitably runs into Lisa in their shared apartment. He also tells a white lie, pretending to be Lisa’s husband, which leads the two to fall in love without knowing that they are step-siblings—because Lisa’s mother is Klaus’s father’s new wife.

Country doctor Wilhelm Löhnefink has had enough of being a bachelor and goes looking for a wife.