The peaceful countryside village of Solmen is savagely assaulted by wild Ungats led by bloodthirsty Magen. In the midst of battle, two baby boys are miraculously saved by a tribe of Amazon warriors known as the Kuniats. The warriors nurture and train the boys for future struggles. The stronger of the two is named , Gunan The Invincible. It is up to Gunan to avenge the annihilation of his people. Gunan stages a spectacular one man war of vengeance against his enemy the Ungats, but they prove to be a formidable enemy, and much bloodshed ensues.
| Writing | Piero Regnoli | Story |
| Writing | Piero Regnoli | Screenplay |
| Directing | Franco Prosperi | Director |
| Production | Pino Buricchi | Producer |
| Sound | Roberto Pregadio | Original Music Composer |
| Camera | Pasquale Fanetti | Director of Photography |
| Editing | Alessandro Lucidi | Editor |
| Art | Francesco Cuppini | Production Design |
| Art | Francesco Cuppini | Set Decoration |
| Directing | Maria Luisa Liguori | Script Supervisor |
| Production | Vito Di Bari | Production Supervisor |
