A foreign visitor to Bulgaria finds himself accidentally involved in a chase for a stray child. The latter seriously injures him, but will also try in his own way to save him.

The story of Auschwitz's twelfth Sonderkommando — one of the thirteen consecutive "Special Squads" of Jewish prisoners placed by the Nazis in the excruciating moral dilemma of assisting in the extermination of fellow Jews in exchange for a few more months of life.