Andrés (Fernando Fernán Gómez) is a simple man: he owns a store that sells religious articles and he's never left his hometown of Murcia. After unexpectedly inheriting a sum of money, he decides to take a trip to Paris, where his friend Armando (Alfredo Landa) lives. His friend finds him lodging in a boarding house where Andrés meets Ninette (Rosenda Monteros), an attractive Parisian girl.