Michele Casali is a middle-class professor in Fascist Italy who teaches at the same high school attended by his only daughter, Giovanna. A shy and sensitive girl, her insecurities are only magnified by Michele's overprotectiveness—reaching a point of no return.

1828. After witnessing the brutal repression of revolutions in monarchist South, three young friends join Giuseppe Mazzini's patriotic cause, seeking to finally unify Italy under a republican government. Their idealism will clash with the inevitable disillusionment as they grow apart over the following decades.