A beautiful story about youth, love, friendship and the pursuit of adventure during the bloody and brutal reality of the Warsaw Uprising.

Poland, winter of 1945. Mathilde Beaulieu (Lou de Lâage) is a young intern working with a branch of the French Red Cross. They are on a mission to find, treat and repatriate French survivors of the German camps. One day, a Polish nun arrives in the hospital. In very poor French, she begs Mathilde to come to her convent. Mathilde life and beliefs change when she discovers the advanced state of pregnancy that affect several of the Sisters of the convent just outside the hospital where she performs.

A middle-aged Irish farmer, who still lives at home with his mother, sets off on a mission of revenge when the old lady is murdered.