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.
—Jonas Bandhagen