Arnaldo, Anita and the twins, Martina and Federica, here is the Nardi family. A quiet, normal middle class family. The man is at that stage of his life where nostalgia for the period as a student becomes stronger. It would be nice to be able to go back. It would be nice to savor those moments. It would be also nice to tell someone who has little more than twenty years in life you have to believe in their dreams and not be afraid. Perhaps also coming to steal a caravel of Columbus, as he did, and set sail in the wind and then stop only when ... steal a caravel of Columbus? A misunderstanding with his wife and she throws him out of the house! This is his big chance for a personal "time machine". For man decides to go temporarily to live in a student house: four, have little more than twenty years and the man from day to day lives with their age, those hopes, those doubts that "unfortunately, "he seems to have more. Two worlds compared two ways of seeing the future, a single goal: to return to the caravel stolen ... if there really is.