A story of Roberta, a beautiful young landowner Lombard , Franco, a mechanic unscrupulous and opportunistic. The two met on the beach of Forte dei Marmi and are immediately attracted to each other. The story unfolds through meetings and joints of the two protagonists, that aboard the "Alfetta" Roberta wandering on the highway of the sun, in motels, luxury hotels, in a scene from the economic miracle, Roberta but does not forget the business and thinks to build on the quality of Franco, so he decides to buy a garage.