When the Nazis turned the Polish city of Łódź into a sealed ghetto, one man saw not tragedy, but opportunity. Hans Biebow, a German coffee merchant, transformed forced labour and human suffering into profit. Under his control, Jewish workers were starved, robbed, and enslaved to produce goods for the German war machine — while Biebow enriched himself through the “business of slave labour.” This episode reveals how greed thrived in the heart of the Holocaust, and how the profiteer of the Łódź Ghetto finally faced justice.