Piero arrives in Paris from Luino after having won a pool tournament with friends. In the train he meets the famous place Ramazzini and has so many incidents that culminated with his arrest and the confiscation by the commissioner Juvet. Released, find randomly hospitality at the madame Lenormand and know the great painter Valentine. Both women are tied up, as a wife and lover, Maurice, in prison for robbery. A day Piero wears a mistake and the coat of astrakhan, Maurice, and then...

Piero si reca in vacanza a Parigi grazie alla fortunata vincita di un torneo di biliardo con gli amici. Qui viene coinvolto in una storia di equivoci e scambi di persona e vive stravaganti avventure sia con la moglie che con l'amante di un enigmatico detenuto.

Итальянец Пьеро отправляется на отдых в Париж, где становится жертвой ограбления. Оставшись практически без денег, Пьеро находит приют у женщины средних лет, которая не так проста, как кажется на первый взгляд.