The film tells about members of Finnish women's Lotta Service during the Second World War through the eyes of three young women.

Laura Birn
as Mona Moisio

Karoliina Vanne
as Anna Moisio

Pertti Sveholm
as Helmer Moisio

Miitta Sorvali
as Lilli Moisio

Juhani Laitala
as Oiva

Hanna Lekander
as Ruth Limnell

Jenni Kokander
as Kaisa (as Jenni Hakala)

Hannele Laaksonen
as Helmi

Turkka Mastomäki
as Lasse

Hannes Suominen
as Axel, "Ake"