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.

Ray Lovelock stars as Massimo, a young undercover cop with a taste for violence and a thirst for revenge! Massimo gets himself arrested and quickly infiltrates the ranks of the underworld figure serving a sentence. Eventually a breakout is planned and Massimo is to be included. Just about as soon as they hit the street an attempt is made on the boss' (Martin Balsam) life. Massimo acts quickly in helping to save him and that's the in he has been waiting for