Augustus Blomkvist sells his sausage factory and buys the newspaper Stockholms-Posten where he starts working as a reporter under false name.
Sigge and Putte has moved to a private school, where they fight and get up to mischief.
Old fashioned teachers are taught swing dancing by a student.
A small-town piano teacher is shocked by the arrival of her foster daughter's biological mother, whose young lover soon follows and causes further disruption.