Little Sister 1999 on netflix

Katri’s husband has died in the Finnish Winter War. When the Continuation War begins, Katri volunteers to work in a Helsinki military hospital. She is courted by a patient, a poetry-reciting countryman bound to be released from service. In the same time, she dates old school friend Eero who even goes AWOL to be near her. As the war continues, Katri has to make difficult decisions about her life.