After the death of Octavian, the rebel populations of Illyria and Pannonia pose a grave threat to the Roman Empire. Tribune Marcus Ventidius is sent to subdue the uprising and, after a bitter battle, captures Pannonian chief Magdus together with a number of women hostages. These include Magdus's own daughter Helen, betrothed to cruel Illyrian warrior Batone who has killed many Romans. Julia, daughter of the Roman governor Messala, is in love with Tribune Marcus and, jealous of his sympathy for the barbarian girl, plots an escape by Helen and her father. Pursuing the fugitives, Marcus crosses a mountain pass where Batone has laid a trap.

In ancient Rome, the people finally oust their despised king, Tarquinius, and declare the city a republic. Tarquinius makes an alliance with the Etruscan king, Porsenna, to take back power in Rome, but a Roman general, the heroic Mucius, sets out to stop him.

Profitant du chaos général qui règne dans un lycée, grève des étudiants et des enseignants, intervention de la police, Petracco, professeur aux idées fascistes, réussit à faire chasser le directeur de l'école, grâce aux élèves qui l'ont aidé de façon involontaire. Quand petracco prend la place de l'ex directeur, les élèves comprennent leur terrible erreur..