在里乔内的海滩度假时，一群少男少女成为朋友，他们相互帮助处理恋爱关系和夏季暗恋。

　　Luigi is engaged to Cinzia, he has a good job and his life runs quietly. But unexpectedly his cousin Sonia knocks at his door. She lived in Venezuela with her parents but they have disappeared and she came back to Italy. She is very young and beautiful and once she loved Luigi. What is he to do?