Second Lieutenant Romppainen and Sergeant Ryhmä are tasked with blowing up the enemy's ammunition depot. They surrender themselves as prisoners in order to easily reach the Russian side. The resourceful friends and their cat Mörökölli cause all sorts of trouble, especially for the tough female commissar Vengrovska, who is more of a pretty opponent than a scary one.
A nobleman in 1830's Finland has to contend with stuck-up relatives, his daughters' suitors, dark secrets from his family's past, mistaken identities and a haunted wing of his mansion.
Doctor's daughter Leila is getting married to engineer Lauri. Before the wedding, Lauri's ex-girlfriend Asta and poet Esko, who is in love with Leila, mess up the relationship between the happy couple.