A helicopter crashes in the Sahara Desert. The entire crew are killed - only a small infant miraculously survives. Emir Tafud, who has no children of his own, brings the child up as his successor. When Ben is 25 years old he decides to set off in search of his true parents. In Casablanca he meets French crook Jacquot, who takes him with him to Monte Carlo. They both actually manage to find Ben's mother Christine. She tells Ben that his father was a scientist on a secret mission to Africa. Christine wants Ben to stay in Monte Carlo and take over her firm, but Ben has his heart set on living in Belem with his adored Amina. But now Ben gradually unearths a dreadful secret: Christine's second husband François was responsible for the death of his father, who had discovered valuable minerals in the Sahara. After a bitter struggle, Ben finally succeeds in saving his homeland from Western greed.

Aldo and Marco are twins. Marco, a priest by trade, has always been an object of pride for his mother, while Aldo has already spent six periods in prison. Always on the lookout for money and pretty girls, he lets himself be hijacked by crazy, often dishonest operations, which fail most of the time. One day, he is forced to flee to Tunisia, dressed as a priest and posing as Marco. There he meets up with Prosper, a childhood friend, whom he lures into his race for millions and beautiful summer girls. Marco, delegated by the Paris police, arrives in Tunisia to limit the damage, but only makes it worse. Once again, Aldo has to disappear into the wilderness for a while and make himself forgotten...