The story was serialised in Spirou magazine before it was released as a hardcover album in 1980.

Fantasio is therefore able to inspect Kuor-Lamb and collect information on the way that the harvests of Kodo function.

United at last, Fantasio and Spirou develop a plan to overthrow the dictator.

Benefiting from the departure of Matteo, the rebels make leave Spirou the country; this brings the Count de Champignac back in line with their cause.

With the assistance of the WHO, where the Count has relations, they finally manage to unseat the dictator, who then flees the country.