Following the end of the Civil War, the McCall brothers, Ray, Thomas and William leave their home and head for old Mexico after hearing of legendary Aztec treasure called the Gold of Juarez. Upon arriving to Mexico, they form an alliance with Mexican beauty Marisa and her lover Juan Mendoza, a ruthless bandit who is also after the legendary treasure. The McCalls make new friends as well as enemies while searching for the treasure. But legend says that the gold is cursed and those who seek it, winds up going insane... or dead. The McCalls will have to make the decision of which is more important, family or fortune.