Väinö Söderholm

Young married couple, Martti and Ulla, are spending a carefree weekend at their Rauhanlehto villa. Their peace is disrupted when the in-laws and Ulla's sister Alli, come to visit.

After naval sergeant Pekka Kuusisto runs into his old crush, nurse Leila, she stays on his mind as he embarks on a submarine combat exercise.