Two sailors, Lasse and Karl Gustav, float ashore after a shipwreck. Visiting a castle a baron ask them to help him lay his hands on an inheritance by Karl Gustav posing as the heir of the castle.
A horse wanders from town to the countryside. Here lives Sten Stensson Steen, a bachelor at law and philosophy. He is writing a social psychological report on the youth problem.
The estate Bokegård has big debts, mostly because the owner Måns Nilsson and his daughter Rose Marie just care about their horses.