Documentary about the seven centuries of history of the Dutch capital. A total of fifty subjects (windows) are discussed, containing important events and developments in the history of Amsterdam. From the construction of Dam Square in the Amstel around 1250 to the opening of the second largest internet hub in the world, the Amsterdam Internet Exchange, each window symbolizes a distinctive period in Amsterdam's history. All 50 windows together formed a framework with which it is possible to look back from the present time on the history and on the development that made the people of Amsterdam into who they are today.