A little boy is abducted by ruthless bandit gang leader El Cachal after Cachal and his men butcher the boy's family with the exception of his father. Johnny Ashley, the gunslinger father of the boy, goes searching for his son. Alas, the boy has grown up to be a mean and vicious criminal.

Julie Ballenger has spent five years in a psychiatric clinic. Leaving the clinic apparently cured, she is hired by a wealthy industrialist, Mostri, to work as a governess to his young nephew, Thomas. The boy is heir to a huge fortune after the recent death of his wealthy parents who died in mysterious circumstances. During a visit to a park, Julie and Thomas are kidnapped at gun-point and driven away to deserted quarry. The two hostages manage to escape, but are closely pursued by an armed killer...

Johnny Texas is asked to inquire about the death of Prescott, a rich landowner accused of having robbed a postal wagon. His investigation upsets Prescott's neighbor, Martin, who will use all possible means to stop him.

The city of Thebes has come under the cruel domination of Sparta. Diomedes and several of his friends strive to throw off the Spartan yoke even while Diomedes romances Dorida, daughter of the Theban governor who's collaborating with Sparta.

After the death of Emperor Constantine in Rome, the persecutions of the Christians threaten the centurion Marco forced to become a gladiator.