Baron von Sumers, owner of the Tottisalmen estate, sends his mischievous grandson Klaus to learn manners at the vicarage in the neighboring parish. Yrjö, the vicarage's farmhand, has an accident because of Klaus and ends up in Tottisalmen for medical treatment. When Yrjö's resemblance to the baron's missing son is noticed, events from the past begin to unfold.