An embittered penitentiary social worker receives an unwelcome blast from the past when the case file of his father, a convicted murderer who has been emotionally broken by prison life, lands on his desk.

The Night of San Lorenzo, the night of the shooting stars, is the night when dreams come true in Italian folklore. In 1944, a group of Italians flee their town after hearing rumours that the Nazis plan to blow it up and that the Americans are about to arrive to liberate them.

Two groups of students - the third-class high school students and the matured accountants - decide to perform a show to celebrate the last day of school.