I guardiani del cielo

Neither gold nor diamonds, but a far more valuable treasure is said to slumber within a mountainous stronghold somewhere in the Sahara. Two men are rivals in their quest to find it: archaeologist John Shannon and his brother Michael. But Michael, who has never forgiven John for stealing the woman he loved, has become John's most embittered enemy and is determined to prevent John from finding the Tower. When John mysteriously vanishes in the Sahara, he comes face-to-face with his brother who now calls himself Zadik and rules over a band of marauding warriors who spread fear and terror in the desert. Though captured and nearly killed by his brother, John manages to continue his quest... (jakelijan virallinen teksti)