When it's hot and the refrigerator breaks down, you need an electrician. The friendly Mr. Knorps shows up and does his best to solve the problem - but suddenly the refrigerator is heating up, there's a layer of ice forming in the oven, and the lights go out when you pick up the phone receiver. From then on, Mr. Knorps comes every day, and the apartment becomes cozier and cozier! Bilingual Dari-German edition.