Pyramid II

In Africa, four native women join and are hired to find a wealthy man's son who has disappeared, and use the opportunity to get revenge on a gang of mercenaries who have massacred the inhabitants of the womens' village.

The Browns take their Catholic high school students on a picnic. As one student sneaks to her boyfriend, two others seduce escaped convicts who rape the fourth. Buxom Mrs. Brown and her husband fall victims to their prudence.