Enzo Bottesini

Lieutenant Giovanni Drogo is assigned to the old Bastiani border fortress where he expects an imminent attack by nomadic fearsome Tartars.

John and Howard work in a company named Safari Express booking tourists on safaris. Their lives are turned upside down when they encounter a beautiful blonde wandering in the jungle who doesn't know who she is. They also discover uranium and what appear to be some well-mannered simians.

Young engineer Francesco Ferraro (Enzo Bottesini) is sent to Smeraldo Island in the Seychelles to oversee the tests necessary to dig a silver mine. But Francesco must also find out what happened to his predecessor, vanished without trace. The island seems to be an Eden on Earth, and the native girls freely explore the joys of sex, but there is something in the dark working against Francesco, and a mysterious accident disables his delicate equipment.