Cerca di capirmi (1970)

Franco Bertoli, a young Roman man of humble origin starts flirting with Liz Sher, a beautiful well off American woman. But mere seduction blossoms into reciprocal love and the love birds decide to live together. Liz invites her parents to come to Italy and, at first, they are charmed by Franco's personality. But things soon change and they end up frowning upon their union...