The story follows Riccardo, an Austrian pianist studying in Rome and engaged to local woman Fiorella, who has a brief encounter with French tourist Germaine, igniting a love triangle involving misunderstandings, a false arrest, and romantic schemes. Starring Barbara Laage as Germaine, Alberto Sordi as Alberto, Anna Maria Ferrero as Fiorella, and Erwin Strahl as Riccardo, the film blends humor with lighthearted drama set against the backdrop of Rome's iconic landmarks. Paul Hörbiger plays Professor Roth, serving as a stern mentor to the protagonist Riccardo and delivering comic relief via his rigid academic counsel amid the story's chaotic love triangle.