Stefania, twenty-seven years old, restless aspiring writer, shares joys and sorrows with her girlfriends Cecilia and Ilaria. The three of them are in the gym where Ilaria works, to give vent to the frustrations and lightness of everyday life. Stefano is the best batter of his baseball team. A shy and rather silent character, Stefano starts a rehab program in the same gym where stefania works. It is love at first sight, and Stefania is swept off her feet until the day that going through the gym files, she discovers that Stefano is just fifteen years old.