Based on the story "The Heroes of Yucca," The Invincible Six features a ragtag group of jewel thieves who become the unofficial guardians of a small Iranian village. When bandits attack the village, looking for the body of their former leader and his treasure map, the Invincible Six are there to save the day, wooing the local females and frustrating the new leader of the bandits.

"Killers and thieves! If they live, they'll end up as heroes!"