At the beginning of the eighties, Sirio, a young worker of the Terni steelworks with a past in student protesting, decides to abandon his job to join an extreme left-wing group. Although he declares himself contrary to the armed struggle following the decision by some elements of the group to carry out terrorist actions, he is arrested upon being caught with his best friend Apache.
| Actor | Role |
|---|---|
| AAlfredo RotellaSergio | Sergio |
 Paola RinaldiValeriana | Valeriana |
 Daniela IgliozziLa madre di Sirio | La madre di Sirio |
 Victor CavalloMaurizio | Maurizio |
| IIgor ZalewskyApache | Apache |
 David BrandonNot listed | Not listed |
 Ettore RibottaNot listed | Not listed |
| MMauro FestaNot listed | Not listed |
 Salvatore BillaNot listed | Not listed |
| PPaola RinaldiNot listed | Not listed |
 Lorenzo PianiNot listed | Not listed |
 Cesare ApolitoNot listed | Not listed |
| GGiulia FossàChina | China |
| RRobert GrigorovWilly | Willy |
| EEzio ProsperiNot listed | Not listed |