Enrico Maraini, a wholesaler of animals sold for research, lives and works in 1958 Somalia. He gets engaged to Elisabetta and move in italian community. Here he meets Farnenti, a former Fascist Party leader and now farms owner. When Enrico accept an invitation, he discovers the despotic manners of Farnenti towards native at his service. Enrico is also very affected by Regina, a young Somali girl trained to fulfill every wish of the landlord. When Farnenti has to move in his holding far from Mogadiscio he places both the house and the girl at Enrico's disposal. He agrees but, little by little, the interest in Regina turns into a feverish passion. The movie is mad out of "Settimana nera", a novel by Enrico Emanuelli.