I suppose we must allow a certain degree of cinematic licence here as the chunky Dan Vadis - our eponymous hero - has to combat a dragon (not one of his labours, methinks) after he has rescued a beautiful princess ("Teica" - Spela Rozin) from a couple of hungry lions. He had been promised the princess's hand in marriage after this but when he returns from his quest, he discovers that the kingdom is under new management - "the Demelus" - who live deep inside a mountain. It now falls to "Hercules" to rescue his girl, free their enslaved people and not to get torn limb from limb by some elephants....