A superhero battles lizard men and other monsters that are terrorizing the countryside.

Obro the muscleman goes to Atlantis and sinks a death-ray king who knows the secret of immortality.

When the Philistines attack, the Israelites are hopeless against the fierce giant Goliath and don't know what to do. King Saul takes the advice of the prophets and sends an adolescent shepherd, David, into battle to conquer the oversized Philistine. David is victorious and becomes the King of Israel.

A rebel leader returns to his city for a final confrontation with the evil king he is fighting. However, he finds himself attracted to the king's beautiful niece.