A humble young woman takes care of his sister's child while also hiding her feelings towards her sister's lover.

The director of a detective agency discovers a jewellery thief likes to attends the theatre. So he hires two clumsy and bumbling detectives to guard all the theatres in the area. The two investigators now go from one venue to another attending various Italian magazine shows.

In a luxury hotel in Miramare, a competition is organized between pop music singers. Famous celebrities and famous singers are invited.

A young impoverished aristocrat and struggling writer falls for the charms of an aspiring starlet, whose amoral nature and hungry curiosity drives her from one adventure to another.

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.