Colette is a pregnant writer who finds herself imprisoned in a concentration camp during World War II. She faces the horrors of the Holocaust, including showers, selection, and the constant threat of death. Throughout her imprisonment, Colette forms relationships with other prisoners and experiences the resilience of the human spirit.

Two inmates make written contact through a personal ad that is hidden and found in a pair of work trousers. The pen-pal relationship turns into love, whose future remains uncertain after a personal encounter.