Maria, is a girl raised by the loving care of a poor couple but without knowing anything about her real parents. She is in love with Giorgio, a boy from a good family, who however has also aroused the interest of the intriguing Edvige who frequents bad company including jealous Roberto.

Giovanni peddles useless pens in the streets of Rome with his sidekick Francesco, but his college-student daughter thinks he is a rich industrialist. She falls in love with a rich guy and when her father tells her the trust about their financial situation she drops her fiance and refuses food. Luckily, the guy's parents give their consent to the marriage anyway.

Nando Moriconi is a young Italian living in the early '50s Roma. He is completely crazy for everything that comes from the States. He tries to speak American-English (the most funny ever), to wear like he thinks Americans do, to walk like John Wayne, trying to eat cornflakes with ketchup... His life is a complete parody of the real American way of life, which he couldn't ever get.