Following the lives of ten characters through their letters and diaries in the ten days before D-Day. The mini-series contains documentary interviews with the people on which the book, and this mini-series were based.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.