A girl joins the army instead of her brother, who has been injured in a car accident and cannot join the army in time. She is then disguised as a male conscript to save the brother from troubles.
Factory manager Risto Järviö is under his mother's thumb. When his mother forbids him from dancing with factory girl Seija Vaara, Seija decides to make anonymous phone calls to Risto to annoy his controlling mother. Risto falls in love with the voice on the other end of the line and begins to make major changes in his life.
A story set in post-war Helsinki, where the last released prisoners of war arrive. They are accompanied by Captain Erkki Lahtinen, who returns to his home and back to his wife Jenni. However, during his four-year imprisonment, Erkki has been pronounced dead and Jenni has remarried to office manager Nevamaa.
