This affair takes place inside an American embassy behind the Iron Curtain. An Merican tourist, caterer by trade, and his family of wife and daughter rush into the embassy two steps ahead of the police who suspect them of spying and picture-taking. But it's not much of a refuge, for the ambassador is absent and his son, now in charge, has be expelled from a dozen countries and the continent of Africa. Nevertheless, they carefully and frantically plot their escape, and the ambassador's son and the caterer's daughter even have time to fall in love.