After WWII, brothers Theo and Karl Albrecht take over their mother's business and quickly turned the Karl Albrecht grocery store into a self-service shop. Their success quickly picks up speed and the company becomes an economic miracle. Although the brothers remain modest, tensions arise during the course of the incredible expansion, until they finally make a decision that changes everything: Theo and Karl divide Germany into ALDI North and ALDI South - but the empire and their wealth continues to grow. However, their secluded life is interrupted when Theo Albrecht is kidnapped and lives through 17 days that change both brothers forever.