Youngsters and Adults in Action! (1963)

Who would have thought that two grown-up people who are very much in love with each other, would have to resort to all kinds of tricks to keep their long-term affair secret from their children? This is Antonis and Marianna's genuine and desperate predicament, as the idea of finally exposing their clandestine romance to their offspring, Yorgos and Elina, is simply out of the question. But, what will happen when they, too, fall in love? Obviously, one of the couples must step back; however, which one?