Set in Naples during the first half of 2023, Trentatrè is a documentary capturing the anticipation of one of the city's most momentous recent events: winning the Serie A championship. The film delves into the daily lives of its citizens, showcasing their passion and devotion to football and the city itself as symbols of identity and belonging. Through an authentic lens, it reveals both the joys and contradictions of the collective fervor sweeping Naples during this historic moment.