An extraordinary soup kitchen in Milan - the Refettorio Ambrosiano - run by internationally renowned chef Massimo Bottura and 40 of the world's best chefs including Ferran Adria, Rene Redzepi, Alain Ducasse, Daniel Humm and many others. All food served was made from the food waste of Expo Milano 2015. The film also tells the compelling story of several of the refugees and homeless the Refettorio served.