Cœurs belges.

Patriotic melodrama. Marquise Berthe de Brabant got married to a French nobleman just before the beginning of World War I. Her husband gets severely injured in an attack against the Germans and hands over the bouquet of Berthe to a German officer, before dying without revealing his name. In turn, the German soldier gets injured and is sent to a military hospital, where Berthe is taking care of war victims. Unexpectedly he tells her everything. Will Berthe take revenge, or will she fulfill her duty as a nurse?